Please review the “Known issues” section of the KB articles for SharePoint September 2022 CU / PU
With September 2022 CU/PU additional steps might be required to prevent unexpected problems after applying the updates. The following information is included in the KB articles for SharePoint 2013, 2016, 2019 and Subscription Edition: Known issues in this update Some Web Part Pages Web Service methods may be affected after you apply the September 2022 security […]