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.

Upgrading from Drupal 7 when the Drupal 7 site uses Features

TL;DR: Some "site building things" that are in Drupal 7 Features are not in the Drupal 7 site database, and therefore don't get migrated in a Drupal 7 to Drupal 8/9/10 upgrade.

Undefined index: php (in system.install) when updating modules in D7

Whenever updating modules on an existing Drupal 7 site, I got lots of these error messages

Undefined index: php in system_requirements() (line 471 of xxxx/modules/system/system.install)

The code at that place reads

Upgrading from 10.1 to 10.2

After migrating to 10.2.1

The first page is OK, but user login gives the following error :
The website encountered an unexpected error. Try again later.

Passing argument to a view with Layout Builder in d10?

Dear all Drupalers - 

I have a d7 site, and the time has finally come for the dreaded upgrade to d10 (i have a dev site in d10.2.1).

scenario: i have a “program” page, that has the program description, and a list of news items related to that specific program.

the program is content type “programs” and has a tax tag from vocabulary “Programs”, the news items are content type “newsitems’ also have a tax tag from vocabulary “Programs"

Upgrade from 9.5.11 to 10 is driving me CRAZY!!

Dear All,
I'm trying for weeks now to ugrade, but without any success on this particular site.

9.5.11 to latest drupal 10

Getting this output:
Problem 1
    - zendframework/zend-feed[2.11.0, ..., 2.12.0] require php ^5.6 || ^7.0 -> your php version (8.1.27) does not satisfy that requirement.
    - laminas/laminas-feed[2.12.0, ..., 2.12.3] require php ^5.6 || ^7.0 -> your php version (8.1.27) does not satisfy that requirement.
    - symfony-cmf/routing[1.4.0, ..., 1.4.1] require php ^5.3.9|^7.0 -> your php version (8.1.27) does not satisfy that requirement.

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