Disabled caching of error pages

Author: rimi-itk

CHANGELOG.md

@@ -8,6 +8,8 @@ Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
 
+- [PR-387](https://github.com/itk-dev/os2loop/pull/387)
+  Disabled caching of error pages
 - [PR-383](https://github.com/itk-dev/os2loop/pull/383)
   Fixed OpenID Connect redirect URLs
 - [PR-377](https://github.com/itk-dev/os2loop/pull/377)

web/sites/default/settings.php

@@ -439,7 +439,7 @@
  * of client error responses set the value to 0. Currently applies only to
  * page_cache module.
  */
-# $settings['cache_ttl_4xx'] = 3600;
+$settings['cache_ttl_4xx'] = 0;
 
 /**
  * Expiration of cached forms.