Could you please check error log and share it. It will give more insight about this issue.
Re: Invalid Parameter, invalid parameter value detected (Safari)
by Arvind Dubey -
Number of replies: 1
In reply to Arvind Dubey
Re: Invalid Parameter, invalid parameter value detected (Safari)
by shpetim aliaj -
It worked for me as a solution on moodle 3.5.2 .
remember to put it as default on: