harmony 鸿蒙ohos.screenLockFileManager Error Codes

2025-06-12
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ohos.screenLockFileManager Error Codes

NOTE

This topic describes only module-specific error codes. For details about universal error codes, see Universal Error Codes.

29300001 Invalid Parameter

Error Message

Invalid DataType.

Possible Causes

An error occurs during parameter verification. Specifically, dataType is not MEDIA_DATA or ALL_DATA.

Solution

Correct invalid parameter values.

29300002 System Service Abnormal

Error Message

The system ability work abnormally.

Possible Causes

System services are not working properly. The possible causes are as follows: 1. Sensitive data access management on the lock screen is not started properly. 2. The read or write of IPC data fails.

Solution

System services do not work properly. Try again later or restart the device.

29300003 Sensitive Data Access Management Under Lock Screen Is Not Enabled

Error Message

The application is not enabled the data protection under lock screen.

Possible Causes

The ohos.permission.PROTECT_SCREEN_LOCK_DATA permission is not configured in through requestpermissions to enable sensitive data access management on the lock screen.
The device does not support sensitive data access management on the lock screen.

Solution

Configure the ohos.permission.PROTECT_SCREEN_LOCK_DATA permission through requestpermissions to enable sensitive data access management on the lock screen.

29300004 Permission to Access Sensitive Data on the Lock Screen Has Been Revoked

Error Message

File access is denied.

Possible Causes

The permission to access sensitive data on the lock screen has been revoked.

Solution

Sensitive data cannot be accessed on the lock screen. If necessary, ask the user to unlock the screen again. The sensitive data can be used only after the screen is unlocked.