Exception Handling for Multi Mapping in bpm

Hello,
does anybody know a way of catching an error occured in a multi-mapping used in an integration process.
It seems to me, that when i am using a multi-mapping in an integration process and an error occurs, the message cannot get back to the integration process. In smq2 I can see, that there is the following error:
CX_MERGE_SPLIT
Regards
Günther

The transformation-step is in an block with an exception branch and it is well configured.
When I use a 1 to 1 mapping and an error in the mapping occurs, all is correct. The integration process jumps in to the exception branch and finishes correct. But when use a multi mapping (1 to n; n to 1; n to m) and an error in the mapping occurs, then there is always an error in the bpe inbound queue.
There must be some problem with the split-and-merge program. I think that the split-and-merge program handles the merging of n messages into 1. You can see this when you test a mapping in the integration builder designer. In a multi-mapping there you can see a xml-structure that envelopes the application messages, f. ex.:
<ns0:Messages xmlns:ns0="http://sap.com/xi/XI/SplitAndMerge">
   <ns0:Message1>
      <myMessage1>data</myMessage1>
   </ns0:Message1>
   <ns0:Message2>
      <myMessage2>data2</myMessage2>
   </ns0:Message2>
</ns0:Messages>

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Import my Integration process
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Thanks,
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Hi,
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Messages
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           MessageType
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<xml......>
<Messages>
<Message1>
<MT_...>
</MT_...>
</Message1>
</Messages>
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Hi,
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/people/sravya.talanki2/blog/2006/11/22/error-handling-framework-xiout-of-the-box-episode-1
/people/sravya.talanki2/blog/2006/11/23/error-handling-framework-xiout-of-the-box-episode-2
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https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/9418d690-0201-0010-85bb-e9b2c1af895b
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/people/arpit.seth/blog/2005/06/27/rfc-scenario-using-bpm--starter-kit
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Hi Experts,
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Check the below blog for restrictions.
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Restrictions
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<i>
When I check the MONI, its shwing "No messages created from split mapping"</i>
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Exception handling for all the insert statements in the proc

CREATE PROCEDURE TEST (
@IncrStartDate DATE
,@IncrEndDate DATE
,@SourceRowCount INT OUTPUT
,@TargetRowCount INT OUTPUT
,@ErrorNumber INT OUTPUT
,@ErrorMessage VARCHAR(4000) OUTPUT
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EXEC AS CALLER AS
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SET NOCOUNT ON
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,@BenchMarkLoadFlag CHAR(1)
,@BenchmarkFlow INT
,@MonthYearStart DATE
,@MonthYearEnd DATE
,@StartDate DATE
,@EndDate DATE
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A,B,C
SELECT
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END TRY
BEGIN CATCH
IF @@TRANCOUNT>0
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I have written the whole proc with exception handling using try catch block.
I have just added one insert statement here for 1 case now I need to add further insert cases
INSERT INTO TAB4
                A,B,C
SELECT
                                A,BC
FROM XYZ
INSERT INTO TAB3
                A,B,C
SELECT
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FROM XYZ
INSERT INTO TAB2
                A,B,C
SELECT
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Mudassar

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GO
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GO
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[COL1] [nvarchar](1) NULL,
[COL2] [nvarchar](1) NULL,
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[START_MONTH] [int] NULL,
[END_MONTH] [int] NULL,
[START_YEAR] [int] NULL,
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I am just trying to help --danny rosales
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