Skip to main content
cancel
Showing results for 
Search instead for 
Did you mean: 

Join the Fabric FabCon Global Hackathon—running virtually through Nov 3. Open to all skill levels. $10,000 in prizes! Register now.

Reply
justinj
Microsoft Employee
Microsoft Employee

Pipeline using copy assistant shows RequestValidationFailed

While creating a new Pipeline to load Azure SQL DB to Fabric Lakehouse, getting the following error when trying to save + run the pipeline.

 

 

Publishing Error:

{"code":"RequestValidationFailed","pbi.error":{"code":"RequestValidationFailed"}}

 

Recreate Steps:

1. Create Pipeline.

2. Copy Assistant to read data from Azure SQL.

3. Load 3 tables to Lakehouse using append mode with partition.

1 ACCEPTED SOLUTION
GraceGu
Microsoft Employee
Microsoft Employee

Should be same issue as Solved: Re: Unable to Publish Pipeline : {"code":UnknownEr... - Microsoft Fabric Community. Fix is in rollout, tentive ETA to be available for all regions is mid Jul. 

View solution in original post

2 REPLIES 2
dataFactory-xkx
Microsoft Employee
Microsoft Employee

Sorry for the inconvenience, it's caused by a regression. As a workaround, we can copy them one by one.

The error is caused by not supporting dynamic parameters.

GraceGu
Microsoft Employee
Microsoft Employee

Should be same issue as Solved: Re: Unable to Publish Pipeline : {"code":UnknownEr... - Microsoft Fabric Community. Fix is in rollout, tentive ETA to be available for all regions is mid Jul. 

Helpful resources

Announcements
September Fabric Update Carousel

Fabric Monthly Update - September 2025

Check out the September 2025 Fabric update to learn about new features.

FabCon Atlanta 2026 carousel

FabCon Atlanta 2026

Join us at FabCon Atlanta, March 16-20, for the ultimate Fabric, Power BI, AI and SQL community-led event. Save $200 with code FABCOMM.