No ABAP class specifed for function type in SAP BI

Hi Experts,

while activating planning function types in BI using Transaction RSPLF1, i received following error message

"No ABAP class specifed for function type 0RSCRM_IMP_DEL_DISTR"

Could some one please help how to resolve this issue.

Please let me know if you required any inputs on this.

Thanks,

Khader