# Contact Error Codes > **NOTE** > > This topic describes only module-specific error codes. For details about universal error codes, see [Universal Error Codes](../errorcode-universal.md). ## 16700001 System Internal Error **Error Message** general error. **Symptom** This error code is reported if an internal system error occurs. **Possible Cause** The internal system processing is abnormal. **Solution** A system error has occurred. Try again later. ## 16700101 Database Query Failed **Error Message** Failed to get value from contacts data. **Symptom** This error code is reported if database query fails. **Possible Cause** Database operation has failed. **Solution** Database access has failed. Try again later. ## 16700102 Database Data Addition, Deletion or Modification Failed **Error Message** Failed to set value to contacts data. **Symptom** This error is reported if the attempt to add, delete, or modify data in the database fails. **Possible Cause** Database operation has failed. **Solution** Database access has failed. Try again later. ## 16700103 Operation Canceled **Error Message** User canceled. **Symptom** This error code is reported if an operation is canceled by the user. **Possible Cause** The user cancels the operation. **Solution** The user cancels the operation. Try again later.