Cause: The Consumption issue transaction shows different account code, other than the mapped account code because the users can select different account code manually in consumption order.
Remedies : In consumption order, Account code comes from Item Account Determination. Users should map the account code and the item series in item account determination distribution master with tran type. For Item Account Determination master, go to Finance->Finance Setup-> Masters->Item Account Determination distribution.
The users can select different account code in consumption order. Hence account code should be non editable. Account code in consumption order can be made non-editable through using a resource pack.