This is a peculiar error very specific to our calculations.
For several reasons, sometimes the calculated valuation results in a negative number for one or more of the valuation methods. This is a mathematical outcome that should be corrected by the user by changing the inputs, as a negative valuation for a company does not make sense.
For the user, we have a guide here that you should refer them to:
https://support.equidam.com/en/articles/6554193-company-negative-valuations-explained
For the code, please provide an error to the user, based on The Status object