Drupal-Debug-Hints.md

@@ -14,6 +14,15 @@ $config["system.logging"]["error_level"] = "verbose";
 
 Might have to ignore the readonly flag (with `:w!`).
 
+# Manually deleting log messages
+
+Sometimes the log page fails to load with a fatal error.
+Delete the watchdog messages by hand:
+
+```
+drush watchdog:delete all 
+```
+
 # Manually disabling a module
 
 When doing manual migrations or upgrades, an error like the following can occur