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Site opening 500 error or blank page: Operation not permitted in Unknown on line 0

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Alexander Tsmokalyuk
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Plesk for Linux kb: technical ext: migrator ABT: Group A

Applicable to:

  • Plesk for Linux

Symptoms

  • After migrating or renaming a domain, WordPress website is not accessible with 500 error or a white page

  • The following error is shown in domain logs at Domains > example.com > Logs:

    AH01071: Got error 'PHP message: PHP Warning: Unknown: open_basedir restriction in effect. File(/var/www/vhosts/example2.com/httpdocs/wordfence-waf.php) is not within the allowed path(s): (/var/www/vhosts/example.com/:/tmp/) in Unknown on line 0PHP message: PHP Warning: Unknown: failed to open stream: Operation not permitted in Unknown on line 0PHP message: PHP Fatal error: Unknown: Failed opening required '/var/www/vhosts/example2.com/httpdocs/wordfence-waf.php' (include_path='.:/opt/plesk/php/7.4/share/pear') in Unknown on line 0'

Cause

Wordfence plugin configuration was not migrated properly.

Resolution

  1. Log into Plesk

  2. Open Domains > example.com > File Manager > httpdocs > wordfence-waf.php

  3. Replace example2.com with example.comin the file and save the changes

  4. Open Domains > example.com > File Manager > httpdocs > .user.ini

  5. Replace example2.com with example.comin the file and save the changes

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