Expected GR - Cannot able to complete

when the EGR is done by SCWM/RUFI, i am getting an error message YEU_RFA:072

Details:

in RUFI , when i enter into goods receipt - >putaway and after enter HU ,

the system is providing error message as " Warehouse task can only be processed by SPS "

But still warehouse task is in waiting status

please let me know how can i solve this issue

Thanks in advance for the support

Ragunathan.R