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The unprocessed incoming IDOCs (having the Status 51) can be reprocessed manually using the standard transaction BD87. There is also a standard program RBDMANI2 performing the reprocessing. This program can be scheduled as the background job. The selection screen variant should be setup for that program. It can look like this:
Notice:
Turn "Output List" off
Include only the IDOCs with the Message Type = /PACG/ECM*
Consider the IDOCs not older that the given amount of days.
As the job is to be run periodically, the "Created on" has to be determined dynamically". When saving the selection screen variant use the following:
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(it is crucial to use Greater or Equal operator)
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(then chose the expected age of the IDOC to be considered, e.g. created yesterday or later)
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It is crucial that after choosing the selection screen variant we see Greater or Equal operator and really dynamic date calculation takes place (not the fixed one):
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When setting up the job take care that you do it with the right SAP user (the same as configured in the Message Broker). The sequence of activities to create such job could look like this:
1.Launch the transaction SM36.
2.Choose 
.
3.Choose Continue:
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The following selection screen of SLG2 transaction could be used:
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