Why Does MySQL Throw an 'Unknown Collation 'utf8mb4_unicode_520_ci'' Error After Database Migration?

MySQL Error: Unknown Collation 'utf8mb4_unicode_520_ci'

Question:

Upon migrating a WordPress database from a local WAMP server to a live server, users encounter the error:

Answer:

This error typically arises when the local and live servers utilize different versions of MySQL. To rectify the issue:

1. Open the SQL file in a text editor.
2. Perform a find and replace operation: Replace all instances of utf8mb4_unicode_520_ci with utf8mb4_unicode_ci.
3. Save the modified SQL file.
4. Upload the updated file to a fresh MySQL database.

Alternatively, you can refer to the screenshot provided for visual guidance:

[Image of text editor with find and replace operations being performed]

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