diff -rupN --no-dereference pgadmin4-8.7/web/pgadmin/tools/sqleditor/__init__.py pgadmin4-8.7-new/web/pgadmin/tools/sqleditor/__init__.py

--- pgadmin4-8.7/web/pgadmin/tools/sqleditor/__init__.py	2024-05-28 08:48:27.000000000 +0200

+++ pgadmin4-8.7-new/web/pgadmin/tools/sqleditor/__init__.py	2024-06-03 14:23:30.626874056 +0200

@@ -323,7 +323,7 @@ def panel(trans_id):

     params['server_name'] = underscore_escape(s.name)

     if 'user' not in params:

-        params['user'] = underscore_escape(s.username)

+        params['user'] = underscore_escape(s.username or "")

     if 'role' not in params and s.role:

         params['role'] = underscore_escape(s.role)

     params['layout'] = get_setting('SQLEditor/Layout')