Hi,
You should add a line in your config.php child theme : https://docs.moodle.org/dev/Moodle_4.0_developer_update#Theme_changes
Same error disappear on my moodle when i add the line.
Tristan.
You should add a line in your config.php child theme : https://docs.moodle.org/dev/Moodle_4.0_developer_update#Theme_changes
Same error disappear on my moodle when i add the line.
Tristan.