In my data, the period field is showing the year and month separately, how to fix it, as while applying the formula in the create calculated field it shows error.Period showing like - 201,601 And in the Create Calculated Field - This Calculation Contains errors {LEFT is being called with (integer, integer), did you mean (string, float)?

The LEFT function calls for a string as it's first parameter, thus you have to ensure that in the 'Data Source' tab, the 'Period' column properties are formatted as a string. I have encountered the error too because it was originally formatted as a value.