I faced the problem in service entry sheet .i want to do service entry sheet for all PO line items in a single service enty sheet . i have creater one service PO . it contains 4 line items (line items in item overview not in item details ).if i will go to do the service entry sheet by ML81 N , the system defaulty take the Line item 10 and this item number is hide. we can't do any changes so in this process i want do 4 times in a service entry sheet . so i want avoide this multiple time process , i want to do the one step process . this is for exapmle , i have N0 of line items in more PO . please help me .