Error on DB Change MySQL to MariaDB

I need to move an old 7.6 version from a MySQL 5.6 environment to a MariaDB 10.11.4 - PHP7.4.

I get the error message:

It looks like the character set utf8 is not used for this connection even though it is configured as connection charset. This TYPO3 installation is using the $GLOBALS[‘TYPO3_CONF_VARS’][‘SYS’][‘setDBinit’] property with the following value: “SET SQL_BIG_SELECTS=1”. Please make sure that this command does not overwrite the configured charset. Please note that for the TYPO3 database everything other than utf8 is unsupported since version 4.7.<

What could be the reason? How can I check whether the connection is set in UTF8.
Thank you very much for help

Hi Christian!

Welcome to!

I don’t think TYPO3 v7.6 supports MariaDB 10.11. It should be compatible with MySQL versions up to and including 5.7, which is the same as MariaDB 10.2.

Best wishes