Corrupted Office Cache leads to “Sorry we couldn’t open xxxxx.xlsx” (on SharePoint)

I recently came across a nasty error with only 1 document on our SharePoint intranet that just didn’t want to open anymore. Error message: Sorry, we couldn’t open http://xxx.sharepoint.com/sites/…/yyy.xlsx” After initial search on Google. I found this link. Following those instructions didn’t work, but the idea was correct: delete the Office cache. So if those…

SharePoint Designer Workflow UnauthorizedAccessException

I’ve run into issues with a SharePoint Designer workflow recently, not starting for some users. Well, it actually DID start, but then got canceled after a few seconds. No log history to be found and the following error message: RequestorId: 44c5e543-de6a-c614-1959-863a8d5d4219. Details: System.ApplicationException: HTTP 401 { “error”: { “code”: “-2147024891, System.UnauthorizedAccessException”, “message”: { “lang”: “nl-NL”,…

HTTP 413 for Remote Event Receivers

Today I encountered a very upsetting and unexpected error using SharePoint 2013 on premise Remote Event Receivers. I’ve configured a local WCF service to handle the events and that worked rather well for the first few versions. But after enough updates, some items didn’t trigger any events anymore. Strange 🙂 So I fired up good…

Can’t create site template in SharePoint Online

I’ve recently hit a terrible problem with SharePoint Online. Wanted to use site templates for Projects and Teams, but when creating the site template, I got some unknown error. Actually, when creating the template, the .wsp package was created successfully, so I could see it in the Solution Gallery. But it could not be activated.…

Modifying NewDocSet.aspx without dirty hacks

Typically when you browse the interwebs, you’ll get two answers to the question “how can I add JS to the new document set page?”: Edit the master page Edit the _layouts/15/NewDocSet.aspx The first is a bad idea, because this adds extra weight to every page load in the site collection. And editing the master page…