Fatal error: Uncaught Error: Call to undefined function module_invoke_all() in /home/payesh/public_html/modules/system/system.module:2531 Stack trace: #0 /home/payesh/public_html/includes/theme.inc(798): _system_rebuild_theme_data() #1 /home/payesh/public_html/includes/theme.maintenance.inc(57): list_themes() #2 /home/payesh/public_html/includes/bootstrap.inc(2965): _drupal_maintenance_theme() #3 /home/payesh/public_html/includes/errors.inc(177): drupal_maintenance_theme() #4 /home/payesh/public_html/includes/bootstrap.inc(2690): _drupal_log_error(Array, true) #5 [internal function]: _drupal_exception_handler(Object(ParseError)) #6 {main} thrown in /home/payesh/public_html/modules/system/system.module on line 2531