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