Hi Barb,
With regards to your outstanding PO's issue, the gl debit accounts get stored to each individual line item and there is no way to directly change those accounts from within Purchase Orders for Adagio. You are only able to change the AP clearing account associated with these orders (which can be done from the Company Profile > Interface Posting Options tab).
That said, it is possible to change the line item debit account codes using an ODBC database link. This is an advanced process that requires previous experience using ODBC links.
If there are enough outstanding PO's to make it worth while, I would suggest contacting your POA dealer/consultant as they should be able to take care of this for you.
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Ryan Brohman
Kitchener, ON