TPM15M Horizont for current Portion is failed

Hello

In SPRO

Treasury and Risk Management ->Transaction Manager ->General Settings Accounting Settings for Position Management ->Define and Assign Valuation Classes

I customized the follow

I created a operation 55A with valuation class 3 = long term

Then I need to transfer the valuation from 3 long term to 1 = short term

The field: Horizon for Current Portion is actived in transaction TPM15M

But when I excecuted the transaction TPM15M, the system send me the follow message:

If I deactivated the current portion nominal.... in (TRGC_COM_VALCL) customizing I can made the valuation transfer ok, but I need to use the horizont current portion and in this case the aplication failed.

Please help me

Best regards,

Adriana Rivera.