Custom approval workflow doesnt update Approved by field

May 27, 2013 at 1:44 PM
Hi.
I have custom SPD approval workflow.

If test1 named user modifies document and then starts workflow manually and approves document by workflow the approved by field updates correctly.

If test2 modifies document and manually starts workflow and test1 user approves it, the approved by field doesnt update.

if test1 user modifies document and test2 start manually workflow, test1 user approves it, the approved by doesnt update correctly. Why the workflow doesnt update the approved by if someone else starting the workflow?
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Everytime the document is approved but the Approved by field isnt.