Hello. I have a course where most of its activities and resources are copied from a previous course.
A student, then is receiving this error.
Is there perhaps a way I can solve this problem?
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回复： Invalid availability structure (missing ->op)
av Frankle Lee 李智高 -
having the same issue on my moodle 3.6
Not very sure but this issue only happened after my upgrade of database to polarDB of Aliyun, looks like something related to the coherance of the database.