Inactive Condition type in purchase order

Dear Expert,

Im creating PO, and the price for gross price (PB00) showing inactive or not calculated in condition tab

and the problem caused by, i created condition tye ZBM04 for shipping price. when i empty ZBM04 price value then gross price normally calculated.

here i attach the screenshots.

Inactive Condition Type for PB00 (gross Price)

Conf. for ZBM04 (Shipping)

Conf. for PB00 (Gross Price)

Thank you so much