Error with Importing New template by excel file

I get this error when trying to setup a template to import a excel sheet in Mendix I have tried alot of different sheets from different locations. It happened after we upgraded from to The Error: "Object with the following id couldn't be retrieved: '[MendixIdentifier:: guid=281861523767374 objectType=ExcelImporter.TemplateDocument objectTypeHash=90 dataStoreCode=1 objectStoreId=78]'"
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