diff --git a/classes/migration/upgrade/v3_4_0/I7191_EditorAssignments.php b/classes/migration/upgrade/v3_4_0/I7191_EditorAssignments.php
index 20dbc8640c..5eeedfd611 100644
--- a/classes/migration/upgrade/v3_4_0/I7191_EditorAssignments.php
+++ b/classes/migration/upgrade/v3_4_0/I7191_EditorAssignments.php
@@ -16,7 +16,18 @@
 
 class I7191_EditorAssignments extends \PKP\migration\upgrade\v3_4_0\I7191_EditorAssignments
 {
-    protected string $sectionDb = 'sections';
-    protected string $sectionIdColumn = 'section_id';
-    protected string $contextColumn = 'server_id';
+    protected function getSectionTable(): string
+    {
+        return 'sections';
+    }
+
+    protected function getSectionId(): string
+    {
+        return 'section_id';
+    }
+
+    protected function getContextId(): string
+    {
+        return 'server_id';
+    }
 }
diff --git a/lib/pkp b/lib/pkp
index ee99c16c61..7a7439596e 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit ee99c16c616eca84aec819b4f16187db89c3a3a8
+Subproject commit 7a7439596edcd0fcdf73af166898fa3bb587085e