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Hi,
I am following the TripPin walktrough and get Expression.Error the column 'value' of the table wasn't found in 2.REST API - Authoring Transformations in Power Query in both the Airlines as well as the Airports Query example.
I simply copy paste the M code in the Advanced Editor and then after pressing Done the Expression.Error pops up.
let
Source = TripPin.Feed("https://services.odata.org/v4/TripPinService/Airlines"),
value = Source[value],
toTable = Table.FromList(value, Splitter.SplitByNothing(), null, null, ExtraValues.Error),
expand = Table.ExpandRecordColumn(toTable, "Column1", {"AirlineCode", "Name"}, {"AirlineCode", "Name"})
in
expand
Any help appreciated.
Solved! Go to Solution.
Problem solved: I forgot to rebuild my solution in Visual Studio , copy the updated *.mez extension file to my Custom Data Connectors directory and relaunch Power BI Desktop.
Problem solved: I forgot to rebuild my solution in Visual Studio , copy the updated *.mez extension file to my Custom Data Connectors directory and relaunch Power BI Desktop.
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