Forum Discussion
Fantmas
Helper III
Helper IIIDataflow stop refreshing : "Expression.Error: The field 'X' already exists in the record"
Hi everyone, I have created a dataflow that is running since few weeks, today The schedueld refresh returns me the following error : Error: Expression.Error: Loading Process ,Failed,Datatable,N...
aj1973
Community Champion
Community ChampionThings can happen at the source without your knowledge. what you can do is Delete the step where you appended the tables and run the refresh of the dataflow. see what happens
FantmasHelper III
Helper IIII did it for the fourth table and refresh it one by one, all the table are loaded without error, I had the step with the append query has new table and it is there that I have the issue,
I am do not understand what is happening as the four source table for the append query has a unique column name but when it append the data, I have the error
- aj1973
Can you show me a screenshot of the Dataflow? The stepas Applied please