Hello Harmanrainu, First I do want to point out that majority of WordPress issues that involve white screens are mostly caused by php and database issues. IF you have access to your database via PHPMyAdmin, what I would suggest is to run through a check on tables, to verify that your tables are not corrupted or missing data. steps to do that are here: Repair and Optimize MySQL Databases with PhpMyAdmin Tutorial
Once you do that I would also run through and check the following:
A Plugin may be causing compatibility issues. If you can access the Administration Screens try deactivating all of your Plugins and then reactivating them one by one. If you are unable to access your Screens, log in to your website via FTP. Locate the folder
wp-content/plugins and rename the Plugin folder
plugins_old. This will deactivate all of your Plugins. You can read more about manually deactivating your plugins in the Troubleshooting FAQ.
Your Theme may be causing the problem. This is especially likely if you are experiencing the "WSOD" after you have just activated a new Theme. Log in to the WordPress Administration Screens and activate the default WordPress theme. If you can't access your Administration Screens, access your website via FTP and navigate to the
/wp-content/themes/ folder. Rename the folder for the active Theme.
This should resolve any white screen problems
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