This is best Fabric, Power BI, SQL and AI community event. How do we know? The last event sold out! Save €200 with code FABCMTY200.
Register nowA new Data Days event is coming soon! This time we’re going bigger than ever. Fabric, Power BI, SQL, AI and more. Don't miss out.
When i try to create the data flow gen 02 from data lakehouse to data warehouse, after i published i'm getting an error
"TridentLakeClientUserException, Error Details: Couldn't refresh the entity because of an issue with the mashup document MashupException.Error: DataSource.Error: Failed to insert a table., InnerException: Unable to create a table on the Lakehouse SQL catalog due to metadata refresh failure, for Lakehouse Id: #{0} and Batch Id: #{1}. underlying error code: '#{2}', error: #{3}, Underlying error: Unable to create a table on the Lakehouse SQL catalog due to metadata refresh failure, for Lakehouse Id............................."
My case i don't have the empty column and I coudn't find any data type errors.
We recommend reaching out to the support team by raising a support ticket so they can perform an investigation:
support.fabric.microsoft.com/support
Check out the April 2026 Fabric update to learn about new features.
Sign up to receive a private message when registration opens and key events begin.