### Steps to reproduce

1. Login as admin

2. Create a new file storage of type SharePoint

3. Enter Begin of the deletion a host url where there is an additional path fragment behind aEnd of the deletion valid Begin of the insertionvalues in the first form and submit


End of the insertion Begin of the deletion SharePoint site url

1. e.g. [`https://ymt6d.sharepoint.com/sites/OPEdge/SitePages/`](https://ymt6d.sharepoint.com/sites/OPEdge/SitePages/)

2. "SitePages" is not a valid path to a sharepoint site, but only "OPEdge" would be correct


End of the deletion ### What is the buggy behavior?

* Nothing happens, except an error in the browser console


### What is the expected behavior?

1. Begin of the insertionThe creation process should continueEnd of the insertion Begin of the deletion An inline validation is shownEnd of the deletion