Error writing data to Lakehouse Table Eventstream

Hi bw_chec ,

Please check this post, the data types supported by eventstream and lakehouse are different:
Solved: Hard error writing onto a lakehouse as an eventstr... - Microsoft Fabric Community

The following data types are supported in Lakehouse:
https://learn.microsoft.com/en-us/fabric/data-warehouse/data-types#data-types-in-warehouse 

You may need to convert the data type of the column to datetime2 using T-SQL in the KQL Database:
datetime2 (Transact-SQL) - SQL Server | Microsoft Learn

Best Regards,
Dino Tao
If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.