ajax http 500 error while editing panel in drupal 7 I am getting this error when I tried to edit my panel in drupal 7.

An AJAX HTTP error occurred.
HTTP Result Code: 500
Debugging information follows.
Path: /panels/ajax/editor/edit-pane/panel_context%3Apage-contacts%3A%3Apage_contacts_panel_context%3A%3A%3A%3A/8
StatusText: Internal Server Error
ResponseText: 500 - Internal server error.
Server Error 500 - Internal server error.

Anyone with solution highly appreciated.
Thanks
Please check below configuration &amp; update :

php.ini


  max_execution_time = 30 --> 60 ;
  
  memory_limit = 32 --> 128, or even 256M ;


.htaccess

Add the below lines :


  php_value auto_append_file none
  
  php_value memory_limit 128M


my.ini


  max_allowed_packet = 4M --> 64M