# Camera Error Codes > **NOTE** > > This topic describes only module-specific error codes. For details about universal error codes, see [Universal Error Codes](../errorcode-universal.md). ## 7400101 Invalid Parameter **Error Message** Parameter missing or parameter type incorrect. **Error Description** A parameter passed in the API is invalid. **Possible Cause** The parameter is invalid. For example, the parameter value is not within the range supported. **Solution** Pass the correct parameters in the API. ## 7400102 Invalid Operation **Error Message** Operation not allowed. **Error Description** The operation is not performed in the specified mode. **Possible Cause** The API execution sequence is incorrect. For example, the **commitConfig** API is called in prior to **beginConfig**. **Solution** Perform operations according to the API reference and guide. ## 7400103 Session Not Configured **Error Message** Session not config. **Error Description** An operation that requires session configuration is performed before the session is configured. **Possible Cause** For example, the **start()** API is called before the session is configured. **Solution** Configure the session first. ## 7400104 Session Not Running **Error Message** Session not running. **Error Description** An operation that requires a running session is performed before the session runs. **Possible Cause** For example, the **capture()** API is called before the session runs. **Solution** Perform the operation to run the session first. ## 7400105 Session Configuration Locked **Error Message** Session config locked. **Error Description** The session configuration is locked. **Possible Cause** Another thread has locked the session configuration. **Solution** Wait until the session configuration is unlocked. ## 7400106 Device Configuration Locked **Error Message** Device setting locked. **Error Description** The device configuration is locked. **Possible Cause** Another thread has locked the device configuration. **Solution** Wait until the device configuration is unlocked. ## 7400107 Camera Conflict **Error Message** Can not use camera cause of conflict. **Error Description** The camera cannot be used due to a conflict. **Possible Cause** The opened camera conflicts with the local camera to be used. **Solution** Wait until the conflicting camera is released. ## 7400108 Camera Disabled Due to Security Reasons **Error Message** Camera disabled cause of security reason. **Error Description** The camera cannot be used due to security policies. **Possible Cause** The application running in the background attempts to open the camera. **Solution** Switch the application to the foreground first. ## 7400109 Camera Preempted **Error Message** Can not use camera cause of preempted. **Error Description** The camera cannot be used because it is preempted. **Possible Cause** Two applications attempt to open the same camera simultaneously. **Solution** N/A ## 7400110 Configuration Conflicts **Error Message** Unresolved conflicts with current configurations. **Error Description** The committed configuration is incompatible with the configuration supported by the device. **Possible Cause** The frame rate of the preview stream exceeds that supported by the device. **Solution** Check whether the committed configuration is supported by the device. ## 7400201 Camera Service Error **Error Message** Camera service fatal error. **Error Description** The camera service is abnormal. **Possible Cause** For example, the camera service is restarted or cross-process invoking is abnormal. **Solution** Create the service again.