After update v20.0 cant works dolibarr

Basically everything started when I tried to do an upgrade and I found that when I followed the step by step, at the end of the update from my dolibarr v15.0.0 alpha to v20.1 it had failed, so I decided to go back to my backup in my filesystem but it didn’t In my database, this was not a problem until a month later, when we tried to change the permissions of a user and the perms.php page does not render correctly, I need help to regularize, now That is, go to version 20 or restore what I suppose is the problem, is how the tables in the database were altered, therefore, that is why it is easier to downgrade the tables, but I don’t know how to do any Of the two, I need assistance, thank you very much.

back up EVERYTHING, especially the database

Consider starting a copy of the database with - and every time it works fine, then try the next version number

v15
v16
v17
v18
v19
v20

can u help me please? i can text you, im scared xd

Update:

i find this error:


[26-Nov-2024 22:48:53 UTC] PHP Warning:  Undefined property: stdClass::$read in /home/customer/www/admin.hormiglass.cl/public_html/htdocs/core/ajax/selectsearchbox.php on line 171
[26-Nov-2024 22:48:53 UTC] PHP Fatal error:  Uncaught Error: Call to undefined function isModEnabled() in /home/customer/www/admin.hormiglass.cl/public_html/htdocs/core/modules/modWebPortal.class.php:170
Stack trace:
#0 /home/customer/www/admin.hormiglass.cl/public_html/htdocs/user/perms.php(169): modWebPortal->__construct(Object(DoliDBMysqli))
#1 {main}
  thrown in /home/customer/www/admin.hormiglass.cl/public_html/htdocs/core/modules/modWebPortal.class.php on line 170

Lo cual no se que puede llegar a ser el error en relacion a lo comentado

Hello,

isModEnabled has been introduced in V17 if i remember well.
Should not happened if you have V20 PHP files.