Site Health: Add a link to support forums in the message displayed fo…

…r a critical error.

Follow-up to [44962], [45263], [46119], [49480], [53951].

Props ipajen, sabernhardt, desrosj, mukesh27, afragen, webcommsat, hellofromTonya.
Fixes #53707.

git-svn-id: https://develop.svn.wordpress.org/trunk@59270 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/class-wp-fatal-error-handler.php

@@ -190,7 +190,11 @@ protected function display_default_error_template( $error, $handled ) {
 			if ( is_multisite() ) {
 				$message = __( 'There has been a critical error on this website. Please reach out to your site administrator, and inform them of this error for further assistance.' );
 			} else {
-				$message = __( 'There has been a critical error on this website. Please check your site admin email inbox for instructions.' );
+				$message = sprintf(
+					/* translators: %s: Support forums URL. */
+					__( 'There has been a critical error on this website. Please check your site admin email inbox for instructions. If you continue to have problems, please try the <a href="%s">support forums</a>.' ),
+					__( 'https://wordpress.org/support/forums/' )
+				);
 			}
 		} else {
 			$message = __( 'There has been a critical error on this website.' );