Advance your Data & AI career with 50 days of live learning, dataviz contests, hands-on challenges, study groups & certifications and more!
Get registeredGet Fabric Certified for FREE during Fabric Data Days. Don't miss your chance! Request now
Hi team,
below error shown when Schedule Refresh Dataflow.
Error: An internal error occurred.. RootActivityId =" "Param1 = Destination array was not long enough. Check destIndex and length and the array's lower bounds. Request ID: " "
why this error occurs.
Hi @Anonymous ,
The error may be caused by a file size mismatch, I can't reproduce your problem, is it possible to show a detailed error message (without sensitive information)?
Here is a similar article, please check if it is helpful to you
Destination array was not long enough. Check destIndex and length, and the array's lower bounds."
Hope it helps,
Community Support Team _ Caitlyn
If this post helps then please consider Accept it as the solution to help the other members find it more quickly.
Advance your Data & AI career with 50 days of live learning, contests, hands-on challenges, study groups & certifications and more!
Check out the October 2025 Power BI update to learn about new features.