Getting a sid's generation error while activating DSO

Dear All,

We are created a standard dso on top of generic data source. This data source is created on top CDHDR and CDPOS tables through function module.

While acting the DSO , We are getting a sid generation error.

Please let me know the process to resolve the issue or tell me any other alternative solution is available to overcome this situation.

Thanks

Regards,

Sai.K