WordPress – wp-admin CSS not loading

Posted by on Feb 15, 2017 in Server, wordpress, wp-config

I don’t know exactly when, but after a certain time of using wordpress and a lot of manual updates to the newest version all of the sudden i was’nt able to enter the admin-interface of my WP-Multisite-Installation anymore. The last change was the installation of a modern theme.

WordPress version 4.7.x

  • reinstall of WP did not solve the problem
  • disabling of some plugins did not help
  • database is okay
  • checking or changing the apache rewrite rules did not solve the problem

Solution: adding this line to the wp-config.php helped!

define( 'CONCATENATE_SCRIPTS', false );

found the solution here: http://codex.wordpress.org

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