I am trying to upgrade moodle 3.3 to 3.5.2+ every thing goes well. All plugins got updated successfully. but when it reaches to "Mod_quiz" and "Updating quiz slots with "Random" question data" It stops at 75 % and then it never proceed. if refresh the page again it starts from initial stage and again stop at 75 %. i have enclosed an screen shot of the same.
I have all tried increasing memory, "max_execution_time " and others things in PHP ini file but does not help.
Kindly assist to resolve the same.
Skhan from Oman