change ACP Restriction position throws error: (DEV Mode)

When changing ACP restrictions position, it throws this error, v 5.0.7 stable: (In DEV mode)

TypeError: IPS\Developer\Controller::_writeJson(): Argument #2 ($data) must be of type array, null given, called in C:\xampp\htdocs\ics5development507\applications\core\modules\admin\developer\acprestrictions.php on line 125 (0)
#0 C:\xampp\htdocs\ics5development507\applications\core\modules\admin\developer\acprestrictions.php(125): IPS\Developer\Controller->_writeJson('C:\\xampp\\htdocs...', NULL)
#1 C:\xampp\htdocs\ics5development507\system\Dispatcher\Controller.php(128): IPS\core\modules\admin\developer\acprestrictions->reorder()
#2 C:\xampp\htdocs\ics5development507\system\Developer\Controller.php(92): IPS\Dispatcher\Controller->execute()
#3 C:\xampp\htdocs\ics5development507\system\Dispatcher\Dispatcher.php(169): IPS\Developer\Controller->execute()
#4 C:\xampp\htdocs\ics5development507\admin\index.php(15): IPS\Dispatcher->run()
#5 {main}