Sequence contains no elements

[IsmailChater]

Hello,

I had a dataset that was refreshing fine yesterday.

I made a few changes in the query Editor and the following error appears when I close the Advanced Editor.

the problem persists and no error in the Advanced Editor

I have never seen this error before so any help would be appreciated.

[IsmailChater]

Hi,

Thanks for the suggestions that you mention above

I tried to delete the modification that I had made, but it did not work.

I tried to do the refresh after-hours it's working fine

[rubayatyasmin]

Hi, Try to review power query steps carefully. Debug every step to find ut whivh step is causing the error. I will suggest to load the report after every change, that way you will know which step us causing the error. Also, sometimes after PBI desktop new update the error shows up. Wait for few days if it's a bug. Or report it. 

refer: https://community.fabric.microsoft.com/t5/Desktop/Sequence-contains-no-matching-element/m-p/1663981