WampServer

Hello, I'm trying to downgrade mariadb from version 10.3.9 to 5.5.60. Therefore I downloaded mariadb 5.5.60 put in the wamp/bin/mariadb folder as mariadb5.5.60, copied wampserver.conf and my.ini from mariadb10.3.9, changed the entries my.ini so that they correspond with the new version of mariadb, restartet wamp and wanted to change to mariadb5.5.60. Then the following errors were reported:
Forum: WampServer English