1# Distributed Scheduler Error Codes 2 3> **NOTE** 4> 5> This topic describes only module-specific error codes. For details about universal error codes, see [Universal Error Codes](errorcode-universal.md). 6 7## 16600001 The system ability works abnormally. 8 9**Error Message** 10 11The system ability works abnormally. 12 13**Description** 14 15This error code is reported when the system ability is abnormal. 16 17**Possible Causes** 18 19The possible causes are as follows: 201. The DMS service is not started. 212. The **binder** object of DMS is not obtained. 223. Other services on which ability continuation depends are not started or the **binder** object is not obtained. 23 24**Solution** 25 26Try again later or restart the device. 27 28## 16600002 The specified token or callback is not registered. 29 30**Description** 31 32This error code is reported if the token or callback used in an API of **continuationManager** is not registered when the API is called. 33 34**Error Message** 35 36The specified token or callback is not registered. 37 38**Possible Causes** 39 40The specified token or callback is not registered. 41 42**Solution** 43 44Register the token or callback before calling the API. 45 46## 16600003 The number of token registration times has reached the upper limit. 47 48**Description** 49 50This error code is reported when the number of times that the **continuationManager.registerContinuation** API is called has reached the upper limit. 51 52**Error Message** 53 54The number of token registration times has reached the upper limit. 55 56**Possible Causes** 57 58The number of token registration times has reached the upper limit. 59 60**Solution** 61 62Use a registered token. Do not register the token too frequently. 63 64## 16600004 The specified callback has been registered. 65 66**Description** 67 68This error code is reported when the **continuationManager.on** API is called with a callback the same as a previous one. 69 70**Error Message** 71 72The specified callback has been registered. 73 74**Possible Causes** 75 76The same callback is used for repeated registration. 77 78**Solution** 79 80Use a different callback for registration. 81 82## 16300501 The system ability works abnormally. 83 84**Description** 85 86This error code is reported when the system ability is abnormal. 87 88**Error Message** 89 90The system ability works abnormally. 91 92**Possible Causes** 93 94The possible causes are as follows: 951. The DMS service is not started. 962. The **binder** object of DMS is not obtained. 973. Other services on which ability continuation depends are not started or the **binder** object is not obtained. 98 99**Solution** 100 101Try again later or restart the device. 102 103## 16300502 Failed to get the missionInfo of the specified missionId. 104 105**Description** 106 107This error code is reported when calling the **distributedMissionManager.continueMission** API fails. 108 109**Error Message** 110 111Failed to get the missionInfo of the specified missionId. 112 113**Possible Causes** 114 115The possible causes are as follows: 1161. An incorrect mission ID is passed in. 1172. The mission information corresponding to the mission ID does not exist. 118 119**Solution** 120 121Verify the mission ID. 122 123## 16300503 The application is not installed on the remote end and installation-free is not supported. 124 125**Description** 126 127This error code is reported if the application is not installed on the remote end and the installation-free feature is not supported when the **distributedMissionManager.continueMission** API is called. 128 129**Error Message** 130 131The application is not installed on the remote end and installation-free is not supported. 132 133**Possible Causes** 134 135The application to continue is not installed on the remote end, and the installation-free feature is not supported. 136 137**Solution** 138 1391. Check whether the application has been installed on the remote end. 1402. Check whether the remote end supports installation-free. 141 142## 16300504 The application is not installed on the remote end and installation-free is supported. Try again with the freeInstall flag. 143 144**Description** 145 146This error code is reported if the application is not installed on the remote end and installation-free is supported when the **distributedMissionManager.continueMission** API is called. 147 148**Error Message** 149 150The application is not installed on the remote end and installation-free is supported. Try again with the freeInstall flag. 151 152**Possible Causes** 153 154The application to continue is not installed on the remote end, and installation-free is supported. However, the **freeInstall** flag is not carried. 155 156**Solution** 157 158Try again with the **freeInstall** flag. 159 160## 16300505 The operation device must be the device where the application to be continued is currently located or the target device. 161 162**Description** 163 164This error code is reported if the operation device is not the device where the application to be continued is currently located (source device) or the target device when the **distributedMissionManager.continueMission** API is called. 165 166**Error Message** 167 168The operation device must be the device where the application to be continued is currently located or the target device. 169 170**Possible Causes** 171 172The operation device is not the source or target device. 173 174**Solution** 175 176Use the source or target device for the operation. 177 178## 16300506 The local continuation task is already in progress. 179 180**Description** 181 182This error code is reported if the local continuation task is in progress when the **distributedMissionManager.continueMission** API is called. 183 184**Error Message** 185 186The local continuation task is already in progress. 187 188**Possible Causes** 189 190The continuation task has been initiated and is not complete yet. 191 192**Solution** 193 194Wait until the continuation task is complete. 195 196## 16300507 Failed to get the missionInfo of the specified bundleName. 197 198**Description** 199 200This error code is reported when calling the **distributedMissionManager.continueMission** API with **bundleName** specified fails. 201 202**Error Message** 203 204Failed to get the missionInfo of the specified bundle name. 205 206**Possible Causes** 207 208The possible causes are as follows: 2091. An incorrect bundle name is passed in. 2102. The mission information corresponding to the bundle name does not exist. 211 212**Solution** 213 214Verify the bundle name. 215 216## 3 Failed to flatten the object. 217 218**Description** 219 220This error code is reported if the system parameter **DMS_PROXY_INTERFACE_TOKEN** fails flattening when an API of **continuationManager** is called. 221 222**Error Message** 223 224Failed to flatten the object. 225 226**Possible Causes** 227 228The system parameter **DMS_PROXY_INTERFACE_TOKEN** fails to be written in serialization. 229 230**Solution** 231 232Make sure the system functions properly. Restart the system when needed. 233 234## 7 The object is null. 235 236**Error Message** 237 238The object is null. 239 240**Description** 241 242This error code is reported if DMS and other objects are empty or reading in serialization fails when an API of **continuationManager** is called. 243 244**Possible Causes** 245 246The possible causes are as follows: 2471. Reading the input parameters in serialization fails. 2482. The DMS service is not started or the **binder** object is not obtained. 2493. Other services on which DMS depends are not started or the **binder** object is not obtained. 250 251**Solution** 252 2531. Check whether the input parameters are valid. 2542. Check whether the DMS service is started normally. Restart the service or device when needed. 2553. Check whether other services on which DMS depends are started normally. Restart the services or device when needed. 256 257## 29360207 The number of registrations has reached the upper limit. 258 259**Description** 260 261This error code is reported when the number of times that the **continuationManager.register** API is called exceeds the upper limit. 262 263**Error Message** 264 265The number of registrations has reached the upper limit. 266 267**Possible Causes** 268 269The number of device registration times has reached the upper limit. 270 271**Solution** 272 273Restart the service and avoid frequent registration. 274 275## 29360208 The token is not registered. 276 277**Description** 278 279This error code is reported when an API of **continuationManager** is called with an unregistered token. 280 281**Error Message** 282 283The token is not registered. 284 285**Possible Causes** 286 287The token is not registered. 288 289**Solution** 290 291Register a token and use it in the API. 292 293## 29360209 The callback has been registered. 294 295**Description** 296 297This error code is reported when the **continuationManager.on** API is called with a callback the same as a previous one. 298 299**Error Message** 300 301The callback has been registered. 302 303**Possible Causes** 304 305The specified callback has been registered. 306 307**Solution** 308 309Do not use the same callback for repeated registration. 310 311## 29360210 The callback is not registered. 312 313**Description** 314 315This error code is reported when the **off**, **updateConnectStatus**, or **startDeviceManager** API of **continuationManager** is called with a callback that has been not registered by calling **on**. 316 317**Error Message** 318 319The callback is not registered. 320 321**Possible Causes** 322 323The specified callback is not registered. 324 325**Solution** 326 327Register a callback and use it in the API. 328 329## 29360211 Failed to connect to the ability. 330 331**Description** 332 333This error code is reported if connection to the specified ability fails when the **startDeviceManager** API of **continuationManager** is called. 334 335**Error Message** 336 337Failed to connect to the ability. 338 339**Possible Causes** 340 341The specified token is invalid or the target ability is not working properly. 342 343**Solution** 344 345Check whether the token is valid and whether the corresponding ability is normal. Restart the service or device when needed. 346 347## 29360214 The type of callback is not supported. 348 349**Description** 350 351This error code is reported when the **callback** parameter in the **on** or **off** API of **continuationManager** is set to an incorrect type. 352 353**Error Message** 354 355The type of callback is not supported. 356 357**Possible Causes** 358 359The callback type is not supported. 360 361**Solution** 362 363Pass a supported type for the **callback** parameter. 364 365## 29360215 Invalid connection state. 366 367**Description** 368 369This error code is reported when the **status** parameter in the **updateConnectStatus** API of **continuationManager** is invalid. 370 371**Error Message** 372 373Invalid connection state. 374 375**Possible Causes** 376 377The **status** parameter is invalid. 378 379**Solution** 380 381Use a valid value for the **status** parameter. 382 383## 29360216 Invalid continuation mode. 384 385**Error Message** 386 387Invalid continuation mode. 388 389**Description** 390 391This error code is reported when the **ContinuationExtraParams.continuationMode** parameter in the **register** or **startDeviceManager** API of **continuationManager** is invalid. 392 393**Possible Causes** 394 395The **ContinuationExtraParams.continuationMode** parameter is invalid. 396 397**Solution** 398 399Use a valid value for the **ContinuationExtraParams.continuationMode** parameter. 400