1e41f4b71Sopenharmony_ci# Notification Error Codes 2e41f4b71Sopenharmony_ci 3e41f4b71Sopenharmony_ci> **NOTE** 4e41f4b71Sopenharmony_ci> 5e41f4b71Sopenharmony_ci> This topic describes only module-specific error codes. For details about universal error codes, see [Universal Error Codes](../errorcode-universal.md). 6e41f4b71Sopenharmony_ci 7e41f4b71Sopenharmony_ci## 1600001 Internal Error 8e41f4b71Sopenharmony_ci 9e41f4b71Sopenharmony_ci**Error Message** 10e41f4b71Sopenharmony_ci 11e41f4b71Sopenharmony_ciInternal error. 12e41f4b71Sopenharmony_ci 13e41f4b71Sopenharmony_ci**Description** 14e41f4b71Sopenharmony_ci 15e41f4b71Sopenharmony_ciThis error code is reported when an error occurs during internal processing, such as multi-thread processing or internal pointer checks. 16e41f4b71Sopenharmony_ci 17e41f4b71Sopenharmony_ci**Cause** 18e41f4b71Sopenharmony_ci 19e41f4b71Sopenharmony_ciCommon kernel errors such as multi-thread processing and internal processing errors occur. 20e41f4b71Sopenharmony_ci 21e41f4b71Sopenharmony_ci**Solution** 22e41f4b71Sopenharmony_ci 23e41f4b71Sopenharmony_ciMake sure the system resources are sufficient. 24e41f4b71Sopenharmony_ci 25e41f4b71Sopenharmony_ci## 1600002 Marshalling or Unmarshalling Error 26e41f4b71Sopenharmony_ci 27e41f4b71Sopenharmony_ci**Error Message** 28e41f4b71Sopenharmony_ci 29e41f4b71Sopenharmony_ciMarshalling or unmarshalling error. 30e41f4b71Sopenharmony_ci 31e41f4b71Sopenharmony_ci**Description** 32e41f4b71Sopenharmony_ci 33e41f4b71Sopenharmony_ciThis error code is reported when a marshalling or unmarshalling error occurs before data transmission. 34e41f4b71Sopenharmony_ci 35e41f4b71Sopenharmony_ci**Cause** 36e41f4b71Sopenharmony_ci 37e41f4b71Sopenharmony_ciA parameter mismatch is detected between the application and the notification service. 38e41f4b71Sopenharmony_ci 39e41f4b71Sopenharmony_ci**Solution** 40e41f4b71Sopenharmony_ci 41e41f4b71Sopenharmony_ciMake sure the application SDK version matches the system version. 42e41f4b71Sopenharmony_ci 43e41f4b71Sopenharmony_ci## 1600003 Failed to Connect to the Notification Service 44e41f4b71Sopenharmony_ci 45e41f4b71Sopenharmony_ci**Error Message** 46e41f4b71Sopenharmony_ci 47e41f4b71Sopenharmony_ciFailed to connect to the service. 48e41f4b71Sopenharmony_ci 49e41f4b71Sopenharmony_ci**Description** 50e41f4b71Sopenharmony_ci 51e41f4b71Sopenharmony_ciThis error code is reported when the application fails to connect to the notification service. 52e41f4b71Sopenharmony_ci 53e41f4b71Sopenharmony_ci**Cause** 54e41f4b71Sopenharmony_ci 55e41f4b71Sopenharmony_ciThe notification service is busy or abnormal. 56e41f4b71Sopenharmony_ci 57e41f4b71Sopenharmony_ci**Solution** 58e41f4b71Sopenharmony_ci 59e41f4b71Sopenharmony_ciRestart the system. 60e41f4b71Sopenharmony_ci 61e41f4b71Sopenharmony_ci## 1600004 Notification Disabled 62e41f4b71Sopenharmony_ci 63e41f4b71Sopenharmony_ci**Error Message** 64e41f4b71Sopenharmony_ci 65e41f4b71Sopenharmony_ciNotification disabled. 66e41f4b71Sopenharmony_ci 67e41f4b71Sopenharmony_ci**Description** 68e41f4b71Sopenharmony_ci 69e41f4b71Sopenharmony_ciThis error code is reported when notification is disabled. 70e41f4b71Sopenharmony_ci 71e41f4b71Sopenharmony_ci**Cause** 72e41f4b71Sopenharmony_ci 73e41f4b71Sopenharmony_ciThe notification feature is not enabled for the application. 74e41f4b71Sopenharmony_ci 75e41f4b71Sopenharmony_ci**Solution** 76e41f4b71Sopenharmony_ci 77e41f4b71Sopenharmony_ciEnable notification for the application in the notification settings. 78e41f4b71Sopenharmony_ci 79e41f4b71Sopenharmony_ci## 1600005 Notification Slot Disabled 80e41f4b71Sopenharmony_ci 81e41f4b71Sopenharmony_ci**Error Message** 82e41f4b71Sopenharmony_ci 83e41f4b71Sopenharmony_ciNotification slot disabled. 84e41f4b71Sopenharmony_ci 85e41f4b71Sopenharmony_ci**Description** 86e41f4b71Sopenharmony_ci 87e41f4b71Sopenharmony_ciThis error code is reported when the notification slot is not available. 88e41f4b71Sopenharmony_ci 89e41f4b71Sopenharmony_ci**Cause** 90e41f4b71Sopenharmony_ci 91e41f4b71Sopenharmony_ciThe notification slot is disabled or has not been added. 92e41f4b71Sopenharmony_ci 93e41f4b71Sopenharmony_ci**Solution** 94e41f4b71Sopenharmony_ci 95e41f4b71Sopenharmony_ci1. Access the notification settings and check whether the application has the notification slot. If no, add it. 96e41f4b71Sopenharmony_ci 97e41f4b71Sopenharmony_ci2. Make sure the notification slot is enabled. 98e41f4b71Sopenharmony_ci 99e41f4b71Sopenharmony_ci## 1600006 Notification Deletion Failed 100e41f4b71Sopenharmony_ci 101e41f4b71Sopenharmony_ci**Error Message** 102e41f4b71Sopenharmony_ci 103e41f4b71Sopenharmony_ciNotification deletion disabled. 104e41f4b71Sopenharmony_ci 105e41f4b71Sopenharmony_ci**Description** 106e41f4b71Sopenharmony_ci 107e41f4b71Sopenharmony_ciThis error code is reported when notification deletion is disabled. 108e41f4b71Sopenharmony_ci 109e41f4b71Sopenharmony_ci**Cause** 110e41f4b71Sopenharmony_ci 111e41f4b71Sopenharmony_ciThe notification attribute **isUnremovable** is set to true. 112e41f4b71Sopenharmony_ci 113e41f4b71Sopenharmony_ci**Solution** 114e41f4b71Sopenharmony_ci 115e41f4b71Sopenharmony_ciSee [NotificationRequest](./js-apis-notificationManager.md#notificationrequest) to check the notification attribute **isUnremovable**. 116e41f4b71Sopenharmony_ci 117e41f4b71Sopenharmony_ci## 1600007 Notification Not Found 118e41f4b71Sopenharmony_ci 119e41f4b71Sopenharmony_ci**Error Message** 120e41f4b71Sopenharmony_ci 121e41f4b71Sopenharmony_ciThe notification does not exist. 122e41f4b71Sopenharmony_ci 123e41f4b71Sopenharmony_ci**Description** 124e41f4b71Sopenharmony_ci 125e41f4b71Sopenharmony_ciThis error code is reported when the notification service could not find the notification. 126e41f4b71Sopenharmony_ci 127e41f4b71Sopenharmony_ci**Cause** 128e41f4b71Sopenharmony_ci 129e41f4b71Sopenharmony_ciThe notification has been canceled or deleted. 130e41f4b71Sopenharmony_ci 131e41f4b71Sopenharmony_ci**Solution** 132e41f4b71Sopenharmony_ci 133e41f4b71Sopenharmony_ciN/A 134e41f4b71Sopenharmony_ci 135e41f4b71Sopenharmony_ci## 1600008 User Not Found 136e41f4b71Sopenharmony_ci 137e41f4b71Sopenharmony_ci**Error Message** 138e41f4b71Sopenharmony_ci 139e41f4b71Sopenharmony_ciThe user does not exist. 140e41f4b71Sopenharmony_ci 141e41f4b71Sopenharmony_ci**Description** 142e41f4b71Sopenharmony_ci 143e41f4b71Sopenharmony_ciThis error code is reported when the specified user is not found in the information system. 144e41f4b71Sopenharmony_ci 145e41f4b71Sopenharmony_ci**Cause** 146e41f4b71Sopenharmony_ci 147e41f4b71Sopenharmony_ciThe user information passed is incorrect. 148e41f4b71Sopenharmony_ci 149e41f4b71Sopenharmony_ci**Solution** 150e41f4b71Sopenharmony_ci 151e41f4b71Sopenharmony_ciVerify the user information. 152e41f4b71Sopenharmony_ci 153e41f4b71Sopenharmony_ci## 1600009 Notification Sending Limit Reached 154e41f4b71Sopenharmony_ci 155e41f4b71Sopenharmony_ci**Error Message** 156e41f4b71Sopenharmony_ci 157e41f4b71Sopenharmony_ciThe notification sending frequency reaches the upper limit. 158e41f4b71Sopenharmony_ci 159e41f4b71Sopenharmony_ci**Description** 160e41f4b71Sopenharmony_ci 161e41f4b71Sopenharmony_ciThis error code is reported when the notification sending frequency reaches the upper limit. 162e41f4b71Sopenharmony_ci 163e41f4b71Sopenharmony_ci**Cause** 164e41f4b71Sopenharmony_ci 165e41f4b71Sopenharmony_ciMore than 10 notifications are sent per second, or more than 20 notifications are updated per second. 166e41f4b71Sopenharmony_ci 167e41f4b71Sopenharmony_ci**Solution** 168e41f4b71Sopenharmony_ci 169e41f4b71Sopenharmony_ciReduce the notification sending frequency to no more than 10 per second. 170e41f4b71Sopenharmony_ci 171e41f4b71Sopenharmony_ci## 1600010 Distributed Operation Failed 172e41f4b71Sopenharmony_ci 173e41f4b71Sopenharmony_ci**Error Message** 174e41f4b71Sopenharmony_ci 175e41f4b71Sopenharmony_ciDistributed operation failed. 176e41f4b71Sopenharmony_ci 177e41f4b71Sopenharmony_ci**Description** 178e41f4b71Sopenharmony_ci 179e41f4b71Sopenharmony_ciThis error code is reported when an error occurs with the distributed database operation or distributed API invoking. 180e41f4b71Sopenharmony_ci 181e41f4b71Sopenharmony_ci**Cause** 182e41f4b71Sopenharmony_ci 183e41f4b71Sopenharmony_ciThe distributed database could not be operated or the distributed API could not be invoked. 184e41f4b71Sopenharmony_ci 185e41f4b71Sopenharmony_ci**Solution** 186e41f4b71Sopenharmony_ci 187e41f4b71Sopenharmony_ciVerify the distributed connection. 188e41f4b71Sopenharmony_ci 189e41f4b71Sopenharmony_ci## 1600011 Failed to Read Template Configuration 190e41f4b71Sopenharmony_ci 191e41f4b71Sopenharmony_ci**Error Message** 192e41f4b71Sopenharmony_ci 193e41f4b71Sopenharmony_ciFailed to read the template configuration. 194e41f4b71Sopenharmony_ci 195e41f4b71Sopenharmony_ci**Description** 196e41f4b71Sopenharmony_ci 197e41f4b71Sopenharmony_ciThis error code is reported when the attempt to read the template configuration file fails. 198e41f4b71Sopenharmony_ci 199e41f4b71Sopenharmony_ci**Cause** 200e41f4b71Sopenharmony_ci 201e41f4b71Sopenharmony_ciThe template configuration file is lost in the system. 202e41f4b71Sopenharmony_ci 203e41f4b71Sopenharmony_ci**Solution** 204e41f4b71Sopenharmony_ci 205e41f4b71Sopenharmony_ciCheck for the template configuration file: /system/etc/notification_template/external.json. 206e41f4b71Sopenharmony_ci 207e41f4b71Sopenharmony_ci## 1600012 Insufficient Memory Space 208e41f4b71Sopenharmony_ci 209e41f4b71Sopenharmony_ci**Error Message** 210e41f4b71Sopenharmony_ci 211e41f4b71Sopenharmony_ciNo memory space. 212e41f4b71Sopenharmony_ci 213e41f4b71Sopenharmony_ci**Description** 214e41f4b71Sopenharmony_ci 215e41f4b71Sopenharmony_ciThis error code is reported when a memory allocation error occurs. 216e41f4b71Sopenharmony_ci 217e41f4b71Sopenharmony_ci**Cause** 218e41f4b71Sopenharmony_ci 219e41f4b71Sopenharmony_ciA memory allocation error occurs. 220e41f4b71Sopenharmony_ci 221e41f4b71Sopenharmony_ci**Solution** 222e41f4b71Sopenharmony_ci 223e41f4b71Sopenharmony_ciEnsure sufficient system memory. 224e41f4b71Sopenharmony_ci 225e41f4b71Sopenharmony_ci## 1600013 Notification Pop-up Window Displayed 226e41f4b71Sopenharmony_ci 227e41f4b71Sopenharmony_ci**Error Message** 228e41f4b71Sopenharmony_ci 229e41f4b71Sopenharmony_ciA notification dialog box is already displayed. 230e41f4b71Sopenharmony_ci 231e41f4b71Sopenharmony_ci**Description** 232e41f4b71Sopenharmony_ci 233e41f4b71Sopenharmony_ciThis error code is reported when the notification pop-up window is displayed. 234e41f4b71Sopenharmony_ci 235e41f4b71Sopenharmony_ci**Cause** 236e41f4b71Sopenharmony_ci 237e41f4b71Sopenharmony_ciThe notification pop-up window is displayed. 238e41f4b71Sopenharmony_ci 239e41f4b71Sopenharmony_ci**Solution** 240e41f4b71Sopenharmony_ci 241e41f4b71Sopenharmony_ciCheck whether the notification pop-up window is displayed. 242e41f4b71Sopenharmony_ci 243e41f4b71Sopenharmony_ci 244e41f4b71Sopenharmony_ci## 1600014 No Related Permission 245e41f4b71Sopenharmony_ci 246e41f4b71Sopenharmony_ci**Error Message** 247e41f4b71Sopenharmony_ci 248e41f4b71Sopenharmony_ciNo permission. 249e41f4b71Sopenharmony_ci 250e41f4b71Sopenharmony_ci**Description** 251e41f4b71Sopenharmony_ci 252e41f4b71Sopenharmony_ciThis error code is reported when you do not have the related permission. 253e41f4b71Sopenharmony_ci 254e41f4b71Sopenharmony_ci**Cause** 255e41f4b71Sopenharmony_ci 256e41f4b71Sopenharmony_ciYou do not have the related permission. 257e41f4b71Sopenharmony_ci 258e41f4b71Sopenharmony_ci**Solution** 259e41f4b71Sopenharmony_ci 260e41f4b71Sopenharmony_ciCheck whether you have the related permission. 261e41f4b71Sopenharmony_ci 262e41f4b71Sopenharmony_ci## 1600015 Duplicate Configurations not Allowed for the Current Notification Status 263e41f4b71Sopenharmony_ci 264e41f4b71Sopenharmony_ci**Error Message** 265e41f4b71Sopenharmony_ci 266e41f4b71Sopenharmony_ciThe current notification status does not support duplicate configurations. 267e41f4b71Sopenharmony_ci 268e41f4b71Sopenharmony_ci**Description** 269e41f4b71Sopenharmony_ci 270e41f4b71Sopenharmony_ciThis error code is reported when the current notification status does not support duplicate configurations. 271e41f4b71Sopenharmony_ci 272e41f4b71Sopenharmony_ci**Cause** 273e41f4b71Sopenharmony_ci 274e41f4b71Sopenharmony_ciThe current notification status does not support duplicate configurations. 275e41f4b71Sopenharmony_ci 276e41f4b71Sopenharmony_ci**Solution** 277e41f4b71Sopenharmony_ci 278e41f4b71Sopenharmony_ciCheck whether the notification status is duplicately configured. 279e41f4b71Sopenharmony_ci 280e41f4b71Sopenharmony_ci## 1600016 Updated Notification Version Outdated 281e41f4b71Sopenharmony_ci 282e41f4b71Sopenharmony_ci**Error Message** 283e41f4b71Sopenharmony_ci 284e41f4b71Sopenharmony_ciThe notification version for this update is too low. 285e41f4b71Sopenharmony_ci 286e41f4b71Sopenharmony_ci**Description** 287e41f4b71Sopenharmony_ci 288e41f4b71Sopenharmony_ciThis error code is reported when the notification version for this update is outdated. 289e41f4b71Sopenharmony_ci 290e41f4b71Sopenharmony_ci**Cause** 291e41f4b71Sopenharmony_ci 292e41f4b71Sopenharmony_ciThe notification version for this update is outdated. 293e41f4b71Sopenharmony_ci 294e41f4b71Sopenharmony_ci**Solution** 295e41f4b71Sopenharmony_ci 296e41f4b71Sopenharmony_ciCheck the notification version. 297e41f4b71Sopenharmony_ci 298e41f4b71Sopenharmony_ci## 1600017 No Configured Proxy Relationship 299e41f4b71Sopenharmony_ci 300e41f4b71Sopenharmony_ci**Error Message** 301e41f4b71Sopenharmony_ci 302e41f4b71Sopenharmony_ciThere is no corresponding agent relationship configuration. 303e41f4b71Sopenharmony_ci 304e41f4b71Sopenharmony_ci**Description** 305e41f4b71Sopenharmony_ci 306e41f4b71Sopenharmony_ciThis error code is reported when no proxy relationship is configured. 307e41f4b71Sopenharmony_ci 308e41f4b71Sopenharmony_ci**Cause** 309e41f4b71Sopenharmony_ci 310e41f4b71Sopenharmony_ciNo corresponding proxy relationship is configured. 311e41f4b71Sopenharmony_ci 312e41f4b71Sopenharmony_ci**Solution** 313e41f4b71Sopenharmony_ci 314e41f4b71Sopenharmony_ciCheck the proxy relationship configuration. 315e41f4b71Sopenharmony_ci 316e41f4b71Sopenharmony_ci 317e41f4b71Sopenharmony_ci## 2300007 Network Access Failure 318e41f4b71Sopenharmony_ci 319e41f4b71Sopenharmony_ci**Error Message** 320e41f4b71Sopenharmony_ci 321e41f4b71Sopenharmony_ciNetwork unreachable. 322e41f4b71Sopenharmony_ci 323e41f4b71Sopenharmony_ci**Description** 324e41f4b71Sopenharmony_ci 325e41f4b71Sopenharmony_ciThis error code is reported when the network cannot be accessed. 326e41f4b71Sopenharmony_ci 327e41f4b71Sopenharmony_ci**Cause** 328e41f4b71Sopenharmony_ci 329e41f4b71Sopenharmony_ciThe network cannot be accessed. 330e41f4b71Sopenharmony_ci 331e41f4b71Sopenharmony_ci**Solution** 332e41f4b71Sopenharmony_ci 333e41f4b71Sopenharmony_ciCheck the network status. 334e41f4b71Sopenharmony_ci 335e41f4b71Sopenharmony_ci## 17700001 Bundle Name Not Found 336e41f4b71Sopenharmony_ci 337e41f4b71Sopenharmony_ci**Error Message** 338e41f4b71Sopenharmony_ci 339e41f4b71Sopenharmony_ciThe specified bundle name was not found. 340e41f4b71Sopenharmony_ci 341e41f4b71Sopenharmony_ci**Description** 342e41f4b71Sopenharmony_ci 343e41f4b71Sopenharmony_ciThis error code is reported when the bundle name is incorrect or the application is not installed. 344e41f4b71Sopenharmony_ci 345e41f4b71Sopenharmony_ci**Cause** 346e41f4b71Sopenharmony_ci 347e41f4b71Sopenharmony_ci1. The bundle name is incorrect. 348e41f4b71Sopenharmony_ci2. The application is not installed. 349e41f4b71Sopenharmony_ci 350e41f4b71Sopenharmony_ci**Solution** 351e41f4b71Sopenharmony_ci 352e41f4b71Sopenharmony_ciVerify the bundle name and make sure the application is installed.