1e41f4b71Sopenharmony_ci# Form 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## 16500001 Internal Error 8e41f4b71Sopenharmony_ci 9e41f4b71Sopenharmony_ci**Error Message** 10e41f4b71Sopenharmony_ci 11e41f4b71Sopenharmony_ciInternal error. 12e41f4b71Sopenharmony_ci 13e41f4b71Sopenharmony_ci**Description** 14e41f4b71Sopenharmony_ci 15e41f4b71Sopenharmony_ciA common kernel error, for example, a malloc failure, occurs. 16e41f4b71Sopenharmony_ci 17e41f4b71Sopenharmony_ci**Possible Causes** 18e41f4b71Sopenharmony_ci 19e41f4b71Sopenharmony_ciThe memory is insufficient. 20e41f4b71Sopenharmony_ci 21e41f4b71Sopenharmony_ci**Solution** 22e41f4b71Sopenharmony_ci 23e41f4b71Sopenharmony_ciAnalyze the memory usage of the entire process, and check whether memory leakage occurs. 24e41f4b71Sopenharmony_ci 25e41f4b71Sopenharmony_ci## 16500050 IPC Failure 26e41f4b71Sopenharmony_ci 27e41f4b71Sopenharmony_ci**Error Message** 28e41f4b71Sopenharmony_ci 29e41f4b71Sopenharmony_ciIPC connection error. 30e41f4b71Sopenharmony_ci 31e41f4b71Sopenharmony_ci**Description** 32e41f4b71Sopenharmony_ci 33e41f4b71Sopenharmony_ciAn error occurs when the system initiates inter-process communications (IPC) to complete the request. 34e41f4b71Sopenharmony_ci 35e41f4b71Sopenharmony_ci**Possible Causes** 36e41f4b71Sopenharmony_ci 37e41f4b71Sopenharmony_ciThe parameter value passed in the API is too large, causing IPC data verification failure. 38e41f4b71Sopenharmony_ci 39e41f4b71Sopenharmony_ci**Solution** 40e41f4b71Sopenharmony_ci 41e41f4b71Sopenharmony_ciPass appropriate parameter values. 42e41f4b71Sopenharmony_ci 43e41f4b71Sopenharmony_ci## 16500060 Service Connection Failure 44e41f4b71Sopenharmony_ci 45e41f4b71Sopenharmony_ci**Error Message** 46e41f4b71Sopenharmony_ci 47e41f4b71Sopenharmony_ciService connection error. 48e41f4b71Sopenharmony_ci 49e41f4b71Sopenharmony_ci**Description** 50e41f4b71Sopenharmony_ci 51e41f4b71Sopenharmony_ciAn error occurs when the system attempts to connect to a service to complete the request. 52e41f4b71Sopenharmony_ci 53e41f4b71Sopenharmony_ci**Possible Causes** 54e41f4b71Sopenharmony_ci 55e41f4b71Sopenharmony_ciThe service is busy or abnormal. 56e41f4b71Sopenharmony_ci 57e41f4b71Sopenharmony_ci**Solution** 58e41f4b71Sopenharmony_ci 59e41f4b71Sopenharmony_ciTry again after the service is restarted. 60e41f4b71Sopenharmony_ci 61e41f4b71Sopenharmony_ci## 16500100 Failed to Obtain Widget Configuration Information 62e41f4b71Sopenharmony_ci 63e41f4b71Sopenharmony_ci**Error Message** 64e41f4b71Sopenharmony_ci 65e41f4b71Sopenharmony_ciFailed to obtain configuration information. 66e41f4b71Sopenharmony_ci 67e41f4b71Sopenharmony_ci**Description** 68e41f4b71Sopenharmony_ci 69e41f4b71Sopenharmony_ciAn error occurs when the system attempts to obtain widget configuration information to complete the request. 70e41f4b71Sopenharmony_ci 71e41f4b71Sopenharmony_ci**Possible Causes** 72e41f4b71Sopenharmony_ci 73e41f4b71Sopenharmony_ciThe widget configuration information field is missing or invalid. 74e41f4b71Sopenharmony_ci 75e41f4b71Sopenharmony_ci**Solution** 76e41f4b71Sopenharmony_ci 77e41f4b71Sopenharmony_ciUse the correct configuration information. 78e41f4b71Sopenharmony_ci 79e41f4b71Sopenharmony_ci## 16501000 Functional Error 80e41f4b71Sopenharmony_ci 81e41f4b71Sopenharmony_ci**Error Message** 82e41f4b71Sopenharmony_ci 83e41f4b71Sopenharmony_ciA functional error occurred. 84e41f4b71Sopenharmony_ci 85e41f4b71Sopenharmony_ci**Description** 86e41f4b71Sopenharmony_ci 87e41f4b71Sopenharmony_ciAn internal error occurs when the system executes the request. 88e41f4b71Sopenharmony_ci 89e41f4b71Sopenharmony_ci## 16501001 Widget ID Not Exist 90e41f4b71Sopenharmony_ci 91e41f4b71Sopenharmony_ci**Error Message** 92e41f4b71Sopenharmony_ci 93e41f4b71Sopenharmony_ciThe ID of the form to be operated does not exist. 94e41f4b71Sopenharmony_ci 95e41f4b71Sopenharmony_ci**Description** 96e41f4b71Sopenharmony_ci 97e41f4b71Sopenharmony_ciThe specified widget in the request is not found. 98e41f4b71Sopenharmony_ci 99e41f4b71Sopenharmony_ci**Possible Causes** 100e41f4b71Sopenharmony_ci 101e41f4b71Sopenharmony_ciThe widget ID passed in the API does not exist or is invalid. 102e41f4b71Sopenharmony_ci 103e41f4b71Sopenharmony_ci**Solution** 104e41f4b71Sopenharmony_ci 105e41f4b71Sopenharmony_ciUse a valid widget ID. 106e41f4b71Sopenharmony_ci 107e41f4b71Sopenharmony_ci## 16501002 Too Many Widgets 108e41f4b71Sopenharmony_ci 109e41f4b71Sopenharmony_ci**Error Message** 110e41f4b71Sopenharmony_ci 111e41f4b71Sopenharmony_ciThe number of forms exceeds the maximum allowed. 112e41f4b71Sopenharmony_ci 113e41f4b71Sopenharmony_ci**Description** 114e41f4b71Sopenharmony_ci 115e41f4b71Sopenharmony_ciThe application attempts to add more widgets when the number of widgets has reached the upper limit. 116e41f4b71Sopenharmony_ci 117e41f4b71Sopenharmony_ci**Possible Causes** 118e41f4b71Sopenharmony_ci 119e41f4b71Sopenharmony_ciThe number of widgets has reached the upper limit. 120e41f4b71Sopenharmony_ci 121e41f4b71Sopenharmony_ci**Solution** 122e41f4b71Sopenharmony_ci 123e41f4b71Sopenharmony_ciDelete unnecessary widgets and then add the required widgets. 124e41f4b71Sopenharmony_ci 125e41f4b71Sopenharmony_ci## 16501003 Widget Not Operatable 126e41f4b71Sopenharmony_ci 127e41f4b71Sopenharmony_ci**Error Message** 128e41f4b71Sopenharmony_ci 129e41f4b71Sopenharmony_ciThe form cannot be operated by the current application. 130e41f4b71Sopenharmony_ci 131e41f4b71Sopenharmony_ci**Description** 132e41f4b71Sopenharmony_ci 133e41f4b71Sopenharmony_ciThe application cannot perform operations on a widget. 134e41f4b71Sopenharmony_ci 135e41f4b71Sopenharmony_ci**Possible Causes** 136e41f4b71Sopenharmony_ci 137e41f4b71Sopenharmony_ciThe widget does not belong to the application. 138e41f4b71Sopenharmony_ci 139e41f4b71Sopenharmony_ci**Solution** 140e41f4b71Sopenharmony_ci 141e41f4b71Sopenharmony_ci1. Check the ownership of the widget ID. 142e41f4b71Sopenharmony_ci2. Upgrade the application permission to **SystemApp**. 143e41f4b71Sopenharmony_ci 144e41f4b71Sopenharmony_ci## 16501004 Ability Not Installed 145e41f4b71Sopenharmony_ci 146e41f4b71Sopenharmony_ci**Error Message** 147e41f4b71Sopenharmony_ci 148e41f4b71Sopenharmony_ciThe ability is not installed. 149e41f4b71Sopenharmony_ci 150e41f4b71Sopenharmony_ci**Description** 151e41f4b71Sopenharmony_ci 152e41f4b71Sopenharmony_ciThe specified ability is not installed. 153e41f4b71Sopenharmony_ci 154e41f4b71Sopenharmony_ci**Possible Causes** 155e41f4b71Sopenharmony_ci 156e41f4b71Sopenharmony_ciThe specified ability is not installed. 157e41f4b71Sopenharmony_ci 158e41f4b71Sopenharmony_ci**Solution** 159e41f4b71Sopenharmony_ci 160e41f4b71Sopenharmony_ciPass in valid **abilityName** and **bundleName**. 161e41f4b71Sopenharmony_ci 162e41f4b71Sopenharmony_ci## 16501005 Failed to Connect to FormRenderService 163e41f4b71Sopenharmony_ci 164e41f4b71Sopenharmony_ci**Error Message** 165e41f4b71Sopenharmony_ci 166e41f4b71Sopenharmony_ciFailed to connect to FormRenderService. 167e41f4b71Sopenharmony_ci 168e41f4b71Sopenharmony_ci**Description** 169e41f4b71Sopenharmony_ci 170e41f4b71Sopenharmony_ciThe FormRenderService fails to be connected. 171e41f4b71Sopenharmony_ci 172e41f4b71Sopenharmony_ci**Possible Causes** 173e41f4b71Sopenharmony_ci 174e41f4b71Sopenharmony_ciThe service is busy. 175e41f4b71Sopenharmony_ci 176e41f4b71Sopenharmony_ci**Solution** 177e41f4b71Sopenharmony_ci 178e41f4b71Sopenharmony_ciTry again later. 179e41f4b71Sopenharmony_ci 180e41f4b71Sopenharmony_ci## 16501008 Adding a Widget to the Home Screen Times Out 181e41f4b71Sopenharmony_ci 182e41f4b71Sopenharmony_ci**Error Message** 183e41f4b71Sopenharmony_ci 184e41f4b71Sopenharmony_ciWaiting for the form addition to the desktop timed out. 185e41f4b71Sopenharmony_ci 186e41f4b71Sopenharmony_ci**Description** 187e41f4b71Sopenharmony_ci 188e41f4b71Sopenharmony_ciA request for adding a widget to the home screen is sent, but the widget is not added within the specified duration. 189e41f4b71Sopenharmony_ci 190e41f4b71Sopenharmony_ci**Possible Causes** 191e41f4b71Sopenharmony_ci 192e41f4b71Sopenharmony_ciThe service is busy. 193e41f4b71Sopenharmony_ci 194e41f4b71Sopenharmony_ci**Solution** 195e41f4b71Sopenharmony_ci 196e41f4b71Sopenharmony_ciTry again later. 197