Join us at FabCon Atlanta from March 16 - 20, 2026, for the ultimate Fabric, Power BI, AI and SQL community-led event. Save $200 with code FABCOMM.
Register now!Calling all Data Engineers! Fabric Data Engineer (Exam DP-700) live sessions are back! Starting October 16th. Sign up.
Hello evryone,
I have an issue on opening one .pbix file I get this error :
Stack Trace:
TypeError: Cannot read property 'length' of undefined
at ExplorationSerializer.ensureVisualContainerGrouping (ms-pbi://pbi.microsoft.com/minerva/scripts/explore.js:12012:116)
at ExplorationSerializer.ensureVisualContainerGrouping (ms-pbi://pbi.microsoft.com/minerva/scripts/explore.js:12019:30)
at ExplorationSerializer.deserializeCanvasItems (ms-pbi://pbi.microsoft.com/minerva/scripts/explore.js:11874:37)
at ExplorationSerializer.deserializePage (ms-pbi://pbi.microsoft.com/minerva/scripts/explore.js:11714:58)
at ms-pbi://pbi.microsoft.com/minerva/scripts/explore.js:11624:46
at arrayMap (ms-pbi://pbi.microsoft.com/minerva/scripts/powerbi.common.externals.js:21406:23)
at Function.map (ms-pbi://pbi.microsoft.com/minerva/scripts/powerbi.common.externals.js:30321:14)
at ExplorationSerializer.deserializeExploration (ms-pbi://pbi.microsoft.com/minerva/scripts/explore.js:11623:55)
at ExplorationSerializer.deserializeExploration (ms-pbi://pbi.microsoft.com/minerva/scripts/desktop.js:40781:33)
at ExplorationProxy.get (ms-pbi://pbi.microsoft.com/minerva/scripts/powerbiDesktop.js:202:59)
Thank you for your help
Solved! Go to Solution.
Hi @Anonymous ,
Is it possible you are running on a old version of Power BI Desktop and that the PBIX is created on a newer version? That might cause these errors. In that case, try updating to the latest version of Power BI Desktop.
Kind regards
Djerro123
-------------------------------
If this answered your question, please mark it as the Solution. This also helps others to find what they are looking for.
Keep those thumbs up coming! 🙂
Proud to be a Super User!
Hi @Anonymous ,
Is it possible you are running on a old version of Power BI Desktop and that the PBIX is created on a newer version? That might cause these errors. In that case, try updating to the latest version of Power BI Desktop.
Kind regards
Djerro123
-------------------------------
If this answered your question, please mark it as the Solution. This also helps others to find what they are looking for.
Keep those thumbs up coming! 🙂
Proud to be a Super User!
Join the Fabric FabCon Global Hackathon—running virtually through Nov 3. Open to all skill levels. $10,000 in prizes!
Check out the October 2025 Power BI update to learn about new features.