update error handling monolog.yaml

config/packages/monolog.yaml

@@ -8,6 +8,7 @@ monolog:
     - admin_actions
     - security
     - php
+    - error
     - deprecation # Deprecations are logged in the dedicated "deprecation" channel when it exists
 
 when@dev:
@@ -48,7 +49,7 @@ when@test:
 when@prod:
     monolog:
         handlers:
-            error:
+            critical_error:
                 type: fingers_crossed
                 action_level: critical
                 handler: error_nested
@@ -60,6 +61,13 @@ when@prod:
                 level: debug
                 max_files: 30
 
+            error:
+                type: rotating_file
+                path: "%kernel.logs_dir%/error.log"
+                level: error                 # logs error, critical, alert, emergency
+                max_files: 30
+                channels: [ error ]
+
             php_errors:
                 type: rotating_file
                 path: "%kernel.logs_dir%/php_error.log"