site crashes if header is invalid #2343

CHANGELOG.md

@@ -17,6 +17,7 @@
     * Removed `media.upload_limit` references
     * Twig `nicenumber`: do not use 0 + string casting hack
     * Converted Twig tags to use namespaced Twig classes
+    * Site shows error on page rather than hard-crash when page has invalid frontmatter [#2343](https://github.com/getgrav/grav/issues/2343)
 1. [](#bugfix)
     * Grav 1.6: Fixed `FlexUser` loosing ACL information
     * Grav 1.6: Fixed `FlexUser::find()` breaking when nothing is found

system/src/Grav/Common/Page/Page.php

@@ -346,7 +346,7 @@ class Page implements PageInterface
                             $this->processFrontmatter();
                         }
                     }
-                } catch (ParseException $e) {
+                } catch (\Exception $e) {
                     $file->raw(Grav::instance()['language']->translate([
                         'GRAV.FRONTMATTER_ERROR_PAGE',
                         $this->slug(),