There is an issue the user selected the wrong Supplier on the quotation.

hi all,User have wrongly selected the supplier on the quotation. While the supplier on the item purchasing attributes is different due to which the PO order is giving error and
stuck in stage..tell me the solution. here i am giving the screen shot..
Regards Jhanzeb.
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