1# Form Error Codes 2<!--Kit: Form Kit--> 3<!--Subsystem: Ability--> 4<!--Owner: @cx983299475--> 5<!--Designer: @xueyulong--> 6<!--Tester: @chenmingze--> 7<!--Adviser: @Brilliantry_Rui--> 8 9> **NOTE** 10> 11> This topic describes only module-specific error codes. For details about universal error codes, see [Universal Error Codes](../errorcode-universal.md). 12 13## 16500050 IPC Failure 14 15**Error Message** 16 17IPC connection error. 18 19**Description** 20 21An error occurs when the system initiates inter-process communications (IPC) to complete the request. 22 23**Possible Causes** 24 25The parameter value passed in the API is too large, causing IPC data verification failure. 26 27**Solution** 28 29Pass appropriate parameter values. 30 31## 16500060 Service Connection Failure 32 33**Error Message** 34 35Service connection error. 36 37**Description** 38 39An error occurs when the system attempts to connect to a service to complete the request. 40 41**Possible Causes** 42 43The service is busy or abnormal. 44 45**Solution** 46 47Try again after the service is restarted. 48 49## 16500100 Failed to Obtain Widget Configuration Information 50 51**Error Message** 52 53Failed to obtain configuration information. 54 55**Description** 56 57An error occurs when the system attempts to obtain widget configuration information to complete the request. 58 59**Possible Causes** 60 61The widget configuration information field is missing or invalid. 62 63**Solution** 64 65Use the correct configuration information. 66 67## 16501000 Internal Function Error 68 69**Error Message** 70 71An internal functional error occurred. 72 73**Description** 74 75An internal error occurs when the system executes the request. 76 77**Possible Causes** 78 79An internal service execution exception occurs. 80 81**Solution** 82 83Try again after the system is restarted. 84 85## 16501001 Widget ID Not Exist 86 87**Error Message** 88 89The ID of the form to be operated does not exist. 90 91**Description** 92 93The specified widget in the request is not found. 94 95**Possible Causes** 96 97The widget ID passed in the API does not exist or is invalid. 98 99**Solution** 100 101Use a valid widget ID. 102 103## 16501002 Too Many Widgets 104 105**Error Message** 106 107The number of forms exceeds the maximum allowed. 108 109**Description** 110 111The application attempts to add more widgets when the number of widgets has reached the upper limit. 112 113**Possible Causes** 114 115The number of widgets has reached the upper limit. 116 117**Solution** 118 119Delete unnecessary widgets and then add the required widgets. 120 121## 16501003 Widget Not Operatable 122 123**Error Message** 124 125The form cannot be operated by the current application. 126 127**Description** 128 129The application cannot perform operations on a widget. 130 131**Possible Causes** 132 133The widget does not belong to the application. 134 135**Solution** 136 1371. Check the ownership of the widget ID. 1382. Upgrade the application permission to **SystemApp**. 139 140## 16501006 Failed to Connect to the Widget Rendering Service 141 142**Error Message** 143 144FormRenderService is stopped. Connect to the service again. 145 146**Description** 147 148This error code is reported when the widget rendering service fails to be connected. 149 150**Possible Causes** 151 152The service is busy. 153 154**Solution** 155 156Try again later. 157 158## 16501007 Untrusted Widget 159 160**Error Message** 161 162Form is not trust. 163 164**Description** 165 166The widget is not trusted. 167 168**Possible Causes** 169 170The widget code has problems such as infinite loop and memory leakage, causing system exceptions. 171 172**Solution** 173 174Check whether the widget code has an infinite loop or memory leakage. 175 176<!--Del--> 177## 16501008 Adding a Widget to the Home Screen Times Out 178 179**Error Message** 180 181Waiting for the form addition to the desktop timed out. 182 183**Description** 184 185A request for adding a widget to the home screen is sent, but the widget is not added within the specified duration. 186 187**Possible Causes** 188 189The service is busy. 190 191**Solution** 192 193Try again later. 194<!--DelEnd--> 195 196## 16501010 Failed to Set the Background Image of the Interactive Widget 197 198**Error Message** 199 200Failed to set the live form background image. 201 202**Description** 203 204This error code is reported when the background image resource is invalid. 205 206**Possible Causes** 207 208The background image resource is invalid. 209 210**Solution** 211 212Check whether the background image resource is valid. 213 214## 16501011 API Not Supported 215 216**Error Message** 217 218The form can not support this operation. 219 220**Description** 221 222This error code is reported when the widget does not support the current API. 223 224**Possible Causes** 225 226The interactive widget animation is requested by a common widget, or the current interactive widget is incorrectly configured. 227 228**Solution** 229 230Check whether the configured [sceneAnimationParams](../../form/arkts-ui-widget-configuration.md#sceneanimationparams-field) of the current widget is correct. 231 232## 16501012 Incorrect Widget Dimension 233 234**Error Message** 235 236The form host uses an incorrect dimension. 237 238**Description** 239 240This error code is reported when the widget dimension is incorrect. 241 242**Possible Causes** 243 244The specified widget dimension is not configured, or the transferred widget dimension is invalid. 245 246**Solution** 247 248Check whether the input widget dimension is in the [FormDimension](js-apis-app-form-formInfo.md#formdimension) and [supportDimensions](../../form/arkts-ui-widget-configuration.md#fields-in-configuration-file) configuration list. 249 250## 2293761 Internal Service Error 251 252**Error Message** 253 254Some internal server error occurs. 255 256**Description** 257 258An internal error occurs when the system executes the current request. 259 260**Possible Causes** 261 262An internal service execution exception occurs. 263 264**Solution** 265 2661. Restart the system and try again. 2672. If the restart still fails, submit an [online ticket](https://developer.huawei.com/consumer/en/support/feedback/#) to obtain help. 268 269## 2293766 Requested Bundle Name Not Exist 270 271**Error Message** 272 273The requested bundle name does not exist. 274 275**Description** 276 277The requested bundle name does not exist. This is an internal error. 278 279**Possible Causes** 280 281An error occurs when the bundle management module obtains the bundle name of the requester. This is an internal service execution exception. 282 283**Solution** 284 2851. Restart the system and try again. 2862. If the restart still fails, submit an [online ticket](https://developer.huawei.com/consumer/en/support/feedback/#) to obtain help. 287 288## 2293767 Invalid Parameter 289 290**Error Message** 291 292Invalid params received on operating form. 293 294**Description** 295 296Invalid input parameters are passed when the API is called. 297 298**Possible Causes** 299 3001. Mandatory parameters are not transferred. 3012. The parameter type is incorrect. 3023. The number of parameters is incorrect. 3034. The input parameter is empty, for example, an empty string (''). 3045. Incorrect parameter format. 3056. Invalid parameter value. The input parameters must be the same as those in [app.json5](../../quick-start/app-configuration-file.md) and [Configuring ArkTS Widget Configuration Files](../../form/arkts-ui-widget-configuration.md). 306 307**Solution** 308 309Check the possible causes to determine whether mandatory parameters are transferred and whether the transferred parameter types are correct. 310 311## 2293795 Failed to Obtain the Bundle Manager Service 312 313**Error Message** 314 315Get bms rpc failed. 316 317**Description** 318 319Failed to obtain the Bundle Manager service. 320 321**Possible Causes** 322 323An internal service execution exception occurs. 324 325**Solution** 326 3271. Restart the system and try again. 3282. If the restart still fails, submit an [online ticket](https://developer.huawei.com/consumer/en/support/feedback/#) to obtain help. 329 330## 2293798 Failed to Obtain the Widget Manager Service 331 332**Error Message** 333 334Get fms rpc failed. 335 336**Description** 337 338Failed to obtain the Widget Manager service. 339 340**Possible Causes** 341 342An internal service execution exception occurs. 343 344**Solution** 345 3461. Restart the system and try again. 3472. If the restart still fails, submit an [online ticket](https://developer.huawei.com/consumer/en/support/feedback/#) to obtain help. 348 349## 2293802 Failed to Obtain the System Manager Service 350 351**Error Message** 352 353Get system manager service failed. 354 355**Description** 356 357Failed to obtain the System Manager service. 358 359**Possible Causes** 360 361An internal service execution exception occurs. 362 363**Solution** 364 3651. Restart the system and try again. 3662. If the restart still fails, submit an [online ticket](https://developer.huawei.com/consumer/en/support/feedback/#) to obtain help. 367