Hi Anitha
Release strategy couldn't determined means we need to check master data setting and configuration settings like characteristics (ct04) and class (cl02) and cl20n
what is your release strategy combination? could you please explain details, if possible share screen shot.
@auto Po use the ME59n t-code to create auto Po
setting required
Need to maintain the inforecord in me11
need to maintain the sourece list me01
auto po tick in purchasing tab in mmr
auto po tick in vendor master and execute above t-code me59n
Thanks
Sudhakar