Bapi_procord_get_detail

I’m trying to use BAPI_PROCORD_GET_DETAIL to retrieve process order information from SAP. I’m passing in the NUMBER string and under ORDER_OBJECTS, I pass an ‘X’ in the PHASES string. If I do this within SAP I get the information but calling from webMethods I get the message that the order doesn’t exist. I’ve tried padding the order number with zeros, selecting all strings under the ORDER_OBJECTS and I still can’t get the bapi to return the information I need. Does anyone have any ideas?