[SOLVED][Drupal Errors] Warning: Cannot modify header information
Many Drupal programmers, Drupal site admins and Drupal site users have encountered errors similar to "Warning: Cannot modify header information" in their Drupal site. If you are facing the same situation in your Drupal site then read on to find out the solution.
- If you are getting a Cannot modify header information error then it means that somewhere in the codebase something was passed to the browser before Drupal supplied the page.
- This is most likely caused by unwanted characters in contributed modules or in custom modules and themes
- Check and inspect all custom and contributed modules and themes to solve the error message
Hope that helps.
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