Resource URLs page doesn't load with Smarty3
Replicable on dmaster (and 5.69) by going to Administer » System Settings » Resource URLs.
Screen comes up mostly blank. This shows up in the PHP log.
PHP Warning: Undefined property: CRM_Admin_Form_Setting_Url::$_id in /home/jon/local/mysite/web/wp-content/plugins/civicrm/civicrm/CRM/Core/Form.php on line 2087"
PHP message: PHP Fatal error: Type of SmartyCompilerException::$line must be int (as in class Exception) in /home/jon/local/mysite/web/wp-content/plugins/civicrm/civicrm/packages/smarty3/vendor/smarty/smarty/libs/sysplugins/smartycompilerexception.php on line 8"