Can't find the error in formula - the value is calculated throughout the column (when keeping errors - no rows shown), but I can't apply the changes though.((
if [Index] > 0 then
if articles_pivot{[Index]-1}[IN] <> null (when omitted the error remains) and [IN]=null then
articles_pivot{[Index]-1}[IN]
else null
else null
Thank you for advice!