Reset Plugins Manually:
There might be an issue with the plugins. As you can’t get into admin, you have to reset them manually. Just follow these steps mentioned here. If it solves the problem, activate the plugins one by one to find the defective one.
Activate Default Theme Manually:
If resetting plugins doesn’t fix your issue, then you can try following these steps:
- Get access to your server via FTP.
- Head to to /wp-content/themes/
- Rename the directory of theme that is currently being used. It will
activate the default theme. As a result, you can get rid of the
issue caused by the previous theme.
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