1# USB 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## 14400001 USB Device Connection Denied 8 9**Error Message** 10 11Permission denied. Need call requestRight to get permission. 12 13**Description** 14 15This error code is reported if a certain API of the USB module is called but the required permission is not granted. 16 17**Possible Causes** 18 19The permission to access the USB device is not granted. 20 21**Solution** 22 23Call **requestRight** to request for the permission to access the USB device. 24