API Message Codes

Code

Description

100

Max rate of messages per second has been exceeded.

101

Max number of tickers has been reached.

102

Duplicate ticker ID.

103

Duplicate order ID.

104

Can't modify a filled order.

105

Order being modified does not match original order.

106

Can't transmit order ID:

107

Cannot transmit incomplete order.

109

Price is out of the range defined by the Percentage setting at order defaults frame. The order will not be transmitted.

110

The price does not conform to the minimum price variation for this contract.

111

The TIF (Tif type) and the order type are incompatible.

113

The Tif option should be set to DAY for MOC and LOC orders.

114

Relative orders are valid for stocks only.

115

Relative orders for US stocks can only be submitted to SMART, SMART_ECN, INSTINET, or PRIMEX.

116

The order cannot be transmitted to a dead exchange.

117

The block order size must be at least 50.

118

VWAP orders must be routed through the VWAP exchange.

119

Only VWAP orders may be placed on the VWAP exchange.

120

It is too late to place a VWAP order for today.

121

Invalid BD flag for the order. Check "Destination" and "BD" flag.

122

No request tag has been found for order:

123

No record is available for conid:

124

No market rule is available for conid:

125

Buy price must be the same as the best asking price.

126

Sell price must be the same as the best bidding price.

129

VWAP orders must be submitted at least three minutes before the start time.

131

The sweep-to-fill flag and display size are only valid for US stocks routed through SMART, and will be ignored.

132

This order cannot be transmitted without a clearing account.

133

Submit new order failed.

134

Modify order failed.

135

Can't find order with ID =

136

This order cannot be cancelled.

137

VWAP orders can only be cancelled up to three minutes before the start time.

138

Could not parse ticker request:

139

Parsing error:

140

The size value should be an integer:

141

The price value should be a double:

142

Institutional customer account does not have account info

143

Requested ID is not an integer number.

144

Order size does not match total share allocation.
To adjust the share allocation, right-click on the order and select “Modify > Share Allocation.”

145

Error in validating entry fields -

146

Invalid trigger method.

147

The conditional contract info is incomplete.

148

A conditional order can only be submitted when the order type is set to limit or market.

151

This order cannot be transmitted without a user name.

152

The "hidden" order attribute may not be specified for this order.

153

EFPs can only be limit orders.

154

Orders cannot be transmitted for a halted security.

155

A sizeOp order must have a username and account.

156

A SizeOp order must go to IBSX

157

An order can be EITHER Iceberg or Discretionary. Please remove either the Discretionary amount or the Display size.

158

You must specify an offset amount or a percent offset value.

159

The percent offset value must be between 0% and 100%.

160

The size value cannot be zero.

161

Cancel attempted when order is not in a cancellable state. Order permId =

162

Historical market data Service error message.

163

The price specified would violate the percentage constraint specified in the default order settings.

164

There is no market data to check price percent violations.

165

Historical market Data Service query message.

166

HMDS Expired Contract Violation.

167

VWAP order time must be in the future.

168

Discretionary amount does not conform to the minimum price variation for this contract.

Code

Description

200

No security definition has been found for the request.

201

Order rejected - Reason:

202

Order cancelled - Reason:

203

The security <security> is not available or allowed for this account.

Code

Description

300

Can't find EId with ticker Id:

301

Invalid ticker action:

302

Error parsing stop ticker string:

303

Invalid action:

304

Invalid account value action:

305

Request parsing error, the request has been ignored.

306

Error processing DDE request:

307

Invalid request topic:

308

Unable to create the 'API' page in TWS as the maximum number of pages already exists.

309

Max number (3) of market depth requests has been reached.

Note:    TWS currently limits users to a maximum of 3 distinct market depth requests. This same restriction applies to API clients, however API clients may make multiple market depth requests for the same security.

310

Can't find the subscribed market depth with tickerId:

311

The origin is invalid.

312

The combo details are invalid.

313

The combo details for leg '<leg number>' are invalid.

314

Security type 'BAG' requires combo leg details.

315

Stock combo legs are restricted to SMART order routing.

316

Market depth data has been HALTED. Please re-subscribe.

317

Market depth data has been RESET. Please empty deep book contents before applying any new entries.

319

Invalid log level <log level>

320

Server error when reading an API client request.

321

Server error when validating an API client request.

322

Server error when processing an API client request.

323

Server error: cause - %s

324

Server error when reading a DDE client request (missing information).

325

Discretionary orders are not supported for this combination of exchange and order type.

326

Unable to connect as the client id is already in use. Retry with a unique client id.

327

Only API connections with clientId set to 0 can set the auto bind TWS orders property.

328

Trailing stop orders can be attached to limit or stop-limit orders only.

329

Order modify failed. Cannot change to the new order type.

330

Only FA or STL customers can request managed accounts list.

331

Internal error. FA or STL does not have any managed accounts.

332

The account codes for the order profile are invalid.

333

Invalid share allocation syntax.

334

Invalid Good Till Date order

335

Invalid delta: The delta must be between 0 and 100.

336

The time or time zone is invalid.

The correct format is hh:mm:ss xxx
where xxx is an optionally specified time-zone. E.g.: 15:59:00 EST

Note that there is a space between the time and the time zone.

If no time zone is specified, local time is assumed.

337

The date, time, or time-zone entered is invalid. The correct format is yyyymmdd hh:mm:ss xxx
where yyyymmdd and xxx are optional. E.g.: 20031126 15:59:00 EST

Note that there is a space between the date and time, and between the time and time-zone.

If no date is specified, current date is assumed.
If no time-zone is specified, local time-zone is assumed.

338

Good After Time orders are currently disabled on this exchange.

339

Futures spread are no longer supported. Please use combos instead.

340

Invalid improvement amount for box auction strategy.

341

Invalid delta. Valid values are from 1 to 100.
You can set the delta from the "Pegged to Stock" section of the Order Ticket Panel, or by selecting Page/Layout from the main menu and adding the Delta column.

342

Pegged order is not supported on this exchange.

343

The date, time, or time-zone entered is invalid. The correct format is yyyymmdd hh:mm:ss xxx
where yyyymmdd and xxx are optional. E.g.: 20031126 15:59:00 EST

Note that there is a space between the date and time, and between the time and time-zone.

If no date is specified, current date is assumed.
If no time-zone is specified, local time-zone is assumed.

344

The account logged into is not a financial advisor account.

345

Generic combo is not supported for FA advisor account.

346

Not an institutional account or an away clearing account.

347

Short sale slot value must be 1 (broker holds shares) or 2 (delivered from elsewhere).

348

Order not a short sale -- type must be SSHORT to specify short sale slot.

349

Generic combo does not support "Good After" attribute.

350

Minimum quantity is not supported for best combo order.

351

The "Regular Trading Hours only" flag is not valid for this order.

352

Short sale slot value of 2 (delivered from elsewhere) requires location.

353

Short sale slot value of 1 requires no location be specified.

354

Not subscribed to requested market data.

355

Order size does not conform to market rule.

356

Smart-combo order does not support OCA group.

357

Your client version is out of date.

358

Smart combo child order not supported.

359

Combo order only supports reduce on fill without block(OCA).

360

No whatif check support for smart combo order.

361

Invalid trigger price.

362

Invalid adjusted stop price.

363

Invalid adjusted stop limit price.

364

Invalid adjusted trailing amount.

365

No scanner subscription found for ticker id:

366

No historical data query found for ticker id:

367

Volatility type if set must be 1 or 2 for VOL orders. Do not set it for other order types.

368

Reference Price Type must be 1 or 2 for dynamic volatility management. Do not set it for non-VOL orders.

369

Volatility orders are only valid for US options.

370

Dynamic Volatility orders must be SMART routed, or trade on a Price Improvement Exchange.

371

VOL order requires positive floating point value for volatility. Do not set it for other order types.

372

Cannot set dynamic VOL attribute on non-VOL order.

373

Can only set stock range attribute on VOL or RELATIVE TO STOCK order.

374

If both are set, the lower stock range attribute must be less than the upper stock range attribute.

375

Stock range attributes cannot be negative.

376

The order is not eligible for continuous update. The option must trade on a cheap-to-reroute exchange.

377

Must specify valid delta hedge order aux. price.

378

Delta hedge order type requires delta hedge aux. price to be specified.

379

Delta hedge order type requires that no delta hedge aux. price be specified.

380

This order type is not allowed for delta hedge orders.

381

Your DDE.dll needs to be upgraded.

382

The price specified violates the number of ticks constraint specified in the default order settings.

383

The size specified violates the size constraint specified in the default order settings.

384

Invalid DDE array request.

385

Duplicate ticker ID for API scanner subscription.

386

Duplicate ticker ID for API historical data query.

387

Unsupported order type for this exchange and security type.

388

Order size is smaller than the minimum requirement.

389

Supplied routed order ID is not unique.

390

Supplied routed order ID is invalid.

391

The time or time-zone entered is invalid. The correct format is hh:mm:ss xxx
where xxx is an optionally specified time-zone. E.g.: 15:59:00 EST.

Note that there is a space between the time and the time zone.

If no time zone is specified, local time is assumed.

392

Invalid order: contract expired.

393

Short sale slot may be specified for delta hedge orders only.

394

Invalid Process Time: must be integer number of milliseconds between 100 and 2000.  Found:

395

Due to system problems, orders with OCA groups are currently not being accepted.

396

Due to system problems, application is currently accepting only Market and Limit orders for this contract.

397

Due to system problems, application is currently accepting only Market and Limit orders for this contract.

398

< > cannot be used as a condition trigger.

399

Order message error

Code

Description

400

Algo order error.

401

Length restriction.

402

Conditions are not allowed for this contract.

403

Invalid stop price.

404

Shares for this order are not immediately available for short sale. The order will be held while we attempt to locate the shares.

405

The child order quantity should be equivalent to the parent order size.

406

The currency < > is not allowed.

407

The symbol should contain valid non-unicode characters only.

408

Invalid scale order increment.

409

Invalid scale order. You must specify order component size.

410

Invalid subsequent component size for scale order.

411

The "Outside Regular Trading Hours" flag is not valid for this order.

412

The contract is not available for trading.

413

What-if order should have the transmit flag set to true.

414

Snapshot market data subscription is not applicable to generic ticks.

415

Wait until previous RFQ finishes and try again.

416

RFQ is not applicable for the contract. Order ID:

417

Invalid initial component size for scale order.

418

Invalid scale order profit offset.

419

Missing initial component size for scale order.

420

Invalid real-time query.

421

Invalid route.

422

The account and clearing attributes on this order may not be changed.

423

Cross order RFQ has been expired. THI committed size is no longer available. Please open order dialog and verify liquidity allocation.

424

FA Order requires allocation to be specified.

425

FA Order requires per-account manual allocations because there is no common clearing instruction. Please use order dialog Adviser tab to enter the allocation.

426

None of the accounts have enough shares.

427

Mutual Fund order requires monetary value to be specified.

428

Mutual Fund Sell order requires shares to be specified.

429

Delta neutral orders are only supported for combos (BAG security type).

430

We are sorry, but fundamentals data for the security specified is not available.

431

What to show field is missing or incorrect.

432

Commission must not be negative.

433

Invalid "Restore size after taking profit" for multiple account allocation scale order.

434

The order size cannot be zero.

435

You must specify an account.

436

You must specify an allocation (either a single account, group, or profile).

437

Order can have only one flag Outside RTH or Allow PreOpen.

438

The application is now locked.

439

Order processing failed. Algorithm definition not found.

440

Order modify failed. Algorithm cannot be modified.

441

Algo attributes validation failed:

442

Specified algorithm is not allowed for this order.

443

Order processing failed. Unknown algo attribute.

444

Volatility Combo order is not yet acknowledged. Cannot submit changes at this time.

445

The RFQ for this order is no longer valid.

446

Missing scale order profit offset.

447

Missing scale price adjustment amount or interval.

448

Invalid scale price adjustment interval.

449

Unexpected scale price adjustment amount or interval.

40

Dividend schedule query failed.

Code

Description

501

Already connected.

502

Couldn't connect to TWS. Confirm that API is enabled in TWS via the Configure>API menu command.

503

Your version of TWS is out of date and must be upgraded.

504

Not connected.

505

Fatal error: Unknown message id.

510

Request market data - sending error:

511

Cancel market data - sending error:

512

Order - sending error:

513

Account update request - sending error:

514

Request for executions  - sending error:

515

Cancel order - sending error:

516

Request open order - sending error:

517

Unknown contract. Verify the contract details supplied.

518

Request contract data - sending error:

519

Request market depth - sending error:

520

Cancel market depth - sending error:

521

Set server log level - sending error:

522

FA Information Request - sending error:

523

FA Information Replace - sending error:

524

Request Scanner subscription - sending error:

525

Cancel Scanner subscription - sending error:

526

Request Scanner parameter - sending error:

527

Request Historical data - sending error:

528

Cancel Historical data - sending error:

529

Request real-time bar data - sending error:

530

Cancel real-time bar data - sending error:

531

Request Current Time - Sending error:

Code

Description

1100

Connectivity between IB and TWS has been lost.

1101

Connectivity between IB and TWS has been restored- data lost.*

1102

Connectivity between IB and TWS has been restored- data maintained.

1300

TWS socket port has been reset and this connection is being dropped.

Please reconnect on the new port - <port_num>

*Market and account data subscription requests must be resubmitted

Code

Description

2100

New account data requested from TWS.  API client has been unsubscribed from account data.

2101

Unable to subscribe to account as the following clients are subscribed to a different account.

2102

Unable to modify this order as it is still being processed.

2103

A market data farm is disconnected.

2104

A market data farm is connected.

2105

A historical data farm is disconnected.

2106

A historical data farm is connected.

2107

A historical data farm connection has become inactive but should be available upon demand.

2108

A market data farm connection has become inactive but should be available upon demand.

2109

Order Event Warning: Attribute “Outside Regular Trading Hours” is ignored based on the order type and destination. PlaceOrder is now processed.

2110

Connectivity between TWS and server is broken. It will be restored automatically.