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Knowledge Base

A WordPress website in Plesk fails to load: Error establishing a database connection

 
applications extensionsbackupdatabasedeveloperdomains

Symptoms

  • A WordPress website fails to load with the following error:

    Error establishing a database connection

  • The following error message appears in Domains > example.com > Logs:

    AH01071: Got error 'PHP message: WordPress database error Table 'wordpress_db.K5p5GRQg_sitemeta' doesn't exist for query

Cause

The table mentioned in the error message is missing:

# plesk db
MariaDB [psa]> use wordpress_db
MariaDB [wordpress_db]> select * from wordpress_db.K5p5GRQg_sitemeta;
ERROR 1146 (42S02): Table 'wordpress_db.K5p5GRQg_sitemeta' doesn't exist

Resolution

Apply one of the following solutions:

  • Restore the database from a backup
  • Contact the website developer
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