Error Message Item 10 : Bill Date must be lower or equal to end date

Dear Expert,

I got error message when i create sales order (provider order), Error Message Item 10 : Bill Date must be lower or equal to end date, provider contract successfully created but contain this error, i use the standard telco-config setting for date profile of transaction type PRVO (IST_ORDITEM), PRVC (IST_CONTITEM) and item category PROP (PROV_ORDHEAD), PRCP (PROV_HEAD). It also happen when i change order use change processes.

Please advice me, thanks.