Phpcms prompts the server what to do with security authentication errors

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Question:

Phpcms has a "server security authentication error" when uploading attachments or pictures in the background, and the upload is not successful.

Cause of error:

Because the app_path has not been modified, the value of app_path is inconsistent with the previous values, so when uploading the image, it will prompt "server security authentication error".

Solution:

By modifying the path of the app_path in the "caches/configs/system.php" file, make sure that it is the same as other domain name settings.

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