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dpeters65's avatar
dpeters65
New Member
5 years ago
Solved

Duplicate values after Group By

Refresh fails with message "Column 'Restart Cause' in Table 'new_sort' contains a duplicate value [redacted for company privacy reasons] and this is not allowed for columns on the one side of a many-...
  • mahoneypat's avatar
    5 years ago

    Not sure if this applies here but when I see issues like this it is because M is case sensitive while DAX is not.  If you use UPPER or lower case of the column before you group, you will be sure to get rid of duplicates.

    Pat