harmony 鸿蒙Universal Error Codes
Universal Error Codes
201 Permission Denied
Error Message
Permission verification failed. The application does not have the permission required to call the API.
Description
This error code is reported when permission verification fails.
Possible Causes
The application calls an API without the required permission.
Solution
Check the permission required to call the API and make sure the application has the permission.
202 Permission Verification Failed for Calling a System API
Error Message
Permission verification failed. A non-system application calls a system API.
Description
This error code is reported when a non-system application failed the permission verification.
Possible Causes
The API called by the application is a system API.
Solution
Check whether any system API is called. Delete it if any.
401 Parameter Check Failed
Error Message
Parameter error. Possible causes: 1. Mandatory parameters are left unspecified; 2. Incorrect parameter types; 3. Parameter verification failed.
Description
This error code is reported when a parameter error occurs. Regardless of whether the API is synchronous or asynchronous, this type of error is generally thrown in synchronous mode.
Possible Causes
The mandatory parameter is not passed in, or the parameter type is invalid.
Solution
Make sure the mandatory parameter is passed in and the type of the passed parameter is invalid.
801 API Not Supported
Error Message
Capability not supported. Failed to call the API due to limited device capabilities.
Description
This error code is reported when the device supports the target SysCap but does not support a specific API.
Possible Causes
The device does not support the API.
Solution
Check whether the device supports the API.
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