Post negative entries with GRDC

Hi experts,

We privation to use SAP Group Reporting Data Collection with Group Reporting to upload opening balances with inverted signs, connected a circumstantial papers benignant for opening.

However, we can't find a mode to nutrient the inverted magnitude arsenic output. We tried "-[AmountLC]" but it did not work.

So my question is: what look tin we usage to invert the motion of the input amount?

Thank you for your help.