Fix Migration on c_item_property - refs BT#11477 #8379

app/Migrations/Schema/V110/Version20150603181728.php

@@ -67,8 +67,10 @@ class Version20150603181728 extends AbstractMigrationChamilo
         $this->addSql("DELETE FROM c_item_property WHERE c_id NOT IN (SELECT id FROM course)");
         $this->addSql("UPDATE c_item_property SET to_group_id = NULL WHERE to_group_id = 0");
         $this->addSql("DELETE FROM c_item_property WHERE to_group_id IS NOT NULL AND to_group_id NOT IN (SELECT id FROM c_group_info)");
-
         $this->addSql('UPDATE c_item_property cip SET cip.to_group_id = (SELECT cgi.iid FROM c_group_info cgi WHERE cgi.c_id = cip.c_id AND cgi.id = cip.to_group_id)');
+        $this->addSql('UPDATE c_item_property SET to_user_id = NULL WHERE to_user_id = 0');
+        $this->addSql('UPDATE c_item_property SET insert_user_id = NULL WHERE insert_user_id = 0');
+        $this->addSql('UPDATE c_item_property SET session_id = NULL WHERE session_id = 0');
 
         $this->addSql('ALTER TABLE c_item_property ADD CONSTRAINT FK_1D84C18191D79BD3 FOREIGN KEY (c_id) REFERENCES course(id)');
         $this->addSql('ALTER TABLE c_item_property ADD CONSTRAINT FK_1D84C181330D47E9 FOREIGN KEY (to_group_id) REFERENCES c_group_info (iid)');