Hi Pradeep
Are you sure that no other jobs ran? and is that the sane error again or a diff error message?..Apart from thid, there is nothing that I could think of for now. But i remember something about AND process variant fails first time for no reason and if we repeat,it will be success.
we have removes the variant and created a new one which was fine from then.
could you try that as well in your case
Regards
karthik