i have a secnario like to write the output as follows
if one input is wrong .
i compay code is wrong i have to write
company code: 0001 is nt vaild.
if multiple output is wrong.
and if company code , po type purchase organisation,purchase
group is not vaild i have to write
Purchase Organization: BP09, Purchase Group: 005, PO Type: EF, and Plant: BP09 not valid .
how to make a logic if single input is wrong or multiple input is wrong.
pls help me.