Fork and BPM

Hi
I am using Fork in the BPM to collect and merge 3 messages. This is same as STD pattern "BpmPatternCollectMultiIf". It is working fine, it collects--> transforms --> sends. But always two PE are in "In process" state with a "clock" indicator. I tried putting Fork step inside a Block but no help. All receive steps uses a correlation to collect the messages.
I am manually deleting the process instance in SWWL and processing next set of messages. We are using XI which is on Netweaver 2004s.
Appreciate your help on this issue.
Regards
Prahllad

Hi Murthy
I have given the condition necessary branches =3, let me explain you how it is behaving.
The first message arrives the PE instance is created and waits for another two messages. Once other two messages arrive the PE created by the first message goes to successful state and also all the message comes out merged into one message.
But the second and third messages have also created the PE instance and they will be waiting for other two messages each..
Where the end condition is for this, if necessary branches are 3 then all PE instances should end once merged message comes out of the BPM (or when the send step is executed).
Please let me know any further help to resolve this issue.
Regards

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