moodle cannot read from databse 4.4

moodle cannot read from databse 4.4

by mohamed hassan -
Number of replies: 9

hi after I upgraded my moodle site to 4.4 when a new user signup to my moodle site at the end of signup process and on create my new moodle acount user get an error message saying 

Error reading from database

I enabled debugging but nothing appear in debugging 

any help or suggestion please 

Attachment Screenshot 2024-05-22 101530.png
Average of ratings: -
In reply to mohamed hassan

Re: moodle cannot read from databse 4.4

by Visvanath Ratnaweera -
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Is it different from https://moodle.org/mod/forum/discuss.php?d=458073#p1839629 ?

I see, unfortunately that thread was hijacked by somebody.
sad

In reply to Visvanath Ratnaweera

Re: moodle cannot read from databse 4.4

by mohamed hassan -
Yes it is a different problem
The other problem I couldn't solve and I have to restore my home directory and download noodle to new folder and did upgrade as usual and copied plugins one by one 
In reply to mohamed hassan

Re: moodle cannot read from databse 4.4

by Doulos Xavier -
What is the status now, where you able to fix the issue?
In reply to Doulos Xavier

Re: moodle cannot read from databse 4.4

by mohamed hassan -
Yes solved as following:
the problem was solved by changing the data base tables with utf8mb4_unicode_ci collation
In reply to mohamed hassan

Re: moodle cannot read from databse 4.4

by Leon Stringer -
Picture of Core developers Picture of Particularly helpful Moodlers

I enabled debugging but nothing appear in debugging 

How did you enable debugging? Because I'm sure you would see more details with debugging enabled.

In reply to mohamed hassan

Re: moodle cannot read from databse 4.4

by mohamed hassan -
I also now discovered that the same problem happen on manually adding new user
In reply to mohamed hassan

Re: moodle cannot read from databse 4.4

by mohamed hassan -
thank you friends
the problem was solved by changing the data base tables with utf8mb4_unicode_ci collation