[SOLVED][Drupal Errors] Fatal error: Cannot redeclare system_requirements() (previously declared in /modules/system/

By | 12th Dec 2012 | 1 min read

Many Drupal users have encountered a message similar to "Fatal error: Cannot redeclare system_requirements() (previously declared in /modules/system/system.install:12) in /modules/modules/system/system.install on line 299". If you are facing an error message similar to it in your Drupal site then read on to find out more.

Follow the steps below to fix the error message.

  • You will see this error message if there are more than one copy the same module in a Drupal installation
  • Look for the duplicate(s) ones which are causing the errors in the modules folder or sites/all/modules/ folder
  • Delete the duplicate folders when you find them

Hope that helps.

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