I tried creating a custom site template however the template name and the folder name within 14/SiteTemplates didn’t match and I received the following error:
Event log message was: ‘Failed to completely create the top-level Web site.’. Exception was: ‘Microsoft.SharePoint.SPException: Failed to instantiate file “default.master” from module “DefaultMasterPage”: Source path “default.master” not found
I looked around for the same error and found many reasons but not many people with fat fingers like I have. Silly typos!
Anyway, what is happening? When a site definition isn’t found SharePoint seems to assume some defaults and picks up the default onet.xml? resulting in the above error. Not very useful, but at least consistent.
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Pieter Veenstra
Is your business still running on paper trails, sprawling Excel files, or ageing Access databases? There's a better way — and I can show you exactly what it looks like. I'm the Technical Director of Vantage 365, a Microsoft solutions consultancy working with clients across the UK, the Netherlands, and worldwide. For over 30 years I've been turning messy, manual business processes into clean, automated systems that save time, reduce errors, and give teams the visibility they need to make better decisions. SharePains is not just any blog run by a Microsoft MVP. Have you ever used Try-Catch in Power Automate? The original post about Try-Catch in Power Automate can still be found on this site, https://sharepains.com/2018/02/07/try-catch-finally-in-power-automate-flow/ Or have you ever used the Pieter’s method to avoid variables and speed up your flows? https://sharepains.com/2020/03/11/pieters-method-for-advanced-in-flows/ You can contact me using contact@sharepains.com