I have the following error when inserting a Table into Power App.
The reason is that Composition is a choices Column and so is effectively a table within a cell.
Looking online there do appear to be workarounds but I am struggling to get this to work for my desired table.
My attempt at this:
AddColumns('QSAR Analysis Submission Data'[@Composition], "newcolumn", ThisRecord.Composition)
But this just returns a similar result only specific to Composition now:
Again this attempt fails.
ClearCollect('QSAR Analysis Submission Data', AddColumns('QSAR Analysis Submission Data'[@Composition], "newcolumn", ThisRecord.Composition))
If you are using single selection choice column, use:
AddColumns('QSAR Analysis Submission Data'[@Composition], "newColumn", ThisItem.Composition.Value)
For multiple selection choice column, try using formula like this:
AddColumns('QSAR Analysis Submission Data'[@Composition], "newColumn", Concat(ThisItem.Composition, Value & ", "))
Reference: SharePoint List Multi-choice column in Data table showing error