1# Upload and Download Error Codes 2 3> **NOTE** 4> 5> This topic describes only module-specific error codes. For details about universal error codes, see [Universal Error Codes](errorcode-universal.md). 6 7## 13400001 File Operation Error 8 9**Error Message** 10 11File operation error. 12 13**Description** 14 15This error code is reported when a file operation error occurs in invoking the **uploadFile** or **downloadFile** API. 16 17**Possible Causes** 18 19The file permission is insufficient. 20 21**Solution** 22 23Make sure you have the required permission on the target files. 24 25## 13400002 File Path Error 26 27**Error Message** 28 29Bad file path. 30 31**Description** 32 33This error code is reported when a file path error occurs in invoking the **uploadFile** or **downloadFile** API. 34 35**Possible Causes** 36 37The file path is incorrect or the file aready exists in the path. 38 39**Solution** 40 41Verify the file path. 42 43## 13400003 Service Error 44 45**Error Message** 46 47Task manager service error. 48 49**Description** 50 51This error code is reported when a task manager service error occurs in invoking the **downloadFile** API. 52 53**Possible Causes** 54 55The task fails to be created. 56 57**Solution** 58 59Verify the task settings. 60