Invoice Created cannot be Validated by same user

http://aporaclepayables.blogspot.com/2016/01/invoice-created-cannot-be-validated-by.html

Invoice Created cannot be Validated by same user

Personalization

WHEN-VALIDATE-RECORD
INV_SUM_ACTIONS

Not in Enter-Query Mood

${item.inv_sum_folder.Operating_unit.Value} = '?'
AND ${item.inv_sum_folder.created_by.value}  =  fnd_global.user_id
AND ${item.inv_sum_actions.INITIATE_WFAPPROVAL.value} = 'Y'

Message Error:-
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Invoice created cannot be approved by the same user.