JDBC adapter problem

hi

when i am trying to create adapter notificatio invoking Store proc through JDBC adapter. during save it is giving following error.

com.wm.pkg.art.error.DetailedServiceException: [ART.116.3023] Adapter Runtime (Notification): Unable to update notification Adapters.Billing_OutBound.Adapter_Notification:test1.
[ART.116.3038] Adapter Runtime (Notification): Error in Notification Callback:updateCallback notification Adapters.Billing_OutBound.Adapter_Notification:test1.
[ADA.1.341] Input parameter “P_CUSTOMERREF” must be set with fixed value

regards
com.wm.pkg.art.error.DetailedServiceException: [ART.116.3023] Adapter Runtime (Notification): Unable to update notification Adapters.Billing_OutBound.Adapter_Notification:test1.
[ART.116.3038] Adapter Runtime (Notification): Error in Notification Callback:updateCallback notification Adapters.Billing_OutBound.Adapter_Notification:test1.
[ADA.1.341] Input parameter “P_CUSTOMERREF” must be set with fixed value

Vishy