I have a pbix file that was refreshing normally until a couple of days ago. Now it will refresh fine in the desktop designer, but fails with the following error when online, whether manual or schedue...
v-qiuyu-msft
Community Support
Community SupportHi vpray,
From internal trace, I find the error "Not a legal OleAut date.. The exception was raised by the IDataReader interface" for the table "WP Daily Entry Month".
I would suggest you open the report in Power BI desktop, go to Query Editor, find this table, check the date/time related types fields to find if there is any invalid date values.
Best Regards,
Qiuyun Yu