Problem:
After Updating files from MOODLE 3.1.5 to MOODLE 3.1.7 got this error:
Error code: codingerror !! !! Stack trace: * line 513
Solution:
Remove file config.php in /moodledata/muc/
After Updating files from MOODLE 3.1.5 to MOODLE 3.1.7 got this error:
Error code: codingerror !! !! Stack trace: * line 513
Remove file config.php in /moodledata/muc/