This forum is for questions about upgrading an existing Drupal site. Don't forget to read the UPGRADE.txt file that comes with every Drupal download.

Erreur dans la console de mon projet :dropdown is not a function

Good morning,

I upgraded the project to drupal 10, I corrected my errors in my error report, I still have an error in the console, and I don't know where to look:
collapse.js:58 Uncaught TypeError: Class extends value undefined is not a constructor or null
    at collapse.js:58:1
    at collapse.js?rvinhe:9:96
    at collapse.js?rvinhe:10:3
(anonyme) @ collapse.js:58
(anonyme) @ collapse.js?rvinhe:9
(anonyme) @ collapse.js?rvinhe:10
modal.js:57 Uncaught TypeError: Class extends value undefined is not a constructor or null

[solved] composer problems when migrating 9.5.9 -> D10

According to the upgrade_status module, my codebase is ready to upgrade from D 9.5.9 to D10.  However, composer has other things to say.  Below I will paste the output of my composer require statement and a composer prohibits.  

Among other things, I notice that some modules (components, radix, simple_timeline) that I patched into D10 compliance still appear in the list of problems (I've read about this online but haven't found why or how to resolve).  And also, there seems to be a lot of other problems that I can't decipher.  Any guidance would be a huge help.  Thanks.

Migration from 9.5.9 TO 10.1

Hello,

I am trying to migrate a site from 9.5.9 to 10 and I get a problem ....
Some pages are displaying OK, others pages are not displaying with a weird message "unattended error ... try later".

Upgrade from 8.9 to 9.3 giving entity.query error

After upgrading with Composer and running update.php, I keep getting the error below. Any suggestions?

Entity.query error after upgrading from Drupal 8 to 9

I'm trying to upgrade from Drupal 8 to 9 with Composer, but after running update.php, but can't figure out how to resolve the error listed below. Any suggestions? Thanks!

update from 7.92 to 7.97

After updating my Drupal from version 7.92 to 7.97, I am getting the following error :

TypeError: PDOStatement::fetchAll(): Argument #2 must be of type int, string given in PDOStatement->fetchAll() (line 2299 of /home/public_html/includes/database/database.inc).

Any idea how do I troubleshoot?

Thanks in Advance

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