Communication error in BEx 7.0

Hi all,
We use the BI 7.0 for a week (SP 14). In the BEx Analyzer (SAPGUI 6.40 SP 25, BI Add-on 7.0, SP1401, Revision 801) an error window came up quite often saying that severe error happened and the program need to be closed, detail in the system log. Then the query/workbook closed and the user has to logon again.
In the system log we can see the followings.
R4 9 Communication error, CPIC return code 020, SAP return code 223
R5 A > Conversation ID: 48065065
R6 4 > CPI-C function: CMSEND(SAP)
Q0 I Operating system call recv failed (error no. 10054)
S2 3 Connection to CPI-C client 606 was closed
S7 4 > Partner LU name:
S0 R > Host: 10.1.101.31
S0 I > Partner TP Name: BEXANALY
We don't have any network problem, the error happen just since the upgrade.
Does anyone have any idea how to avoid this error?
Thanks,
Gabor
Message was edited by:
        Gábor Szécsi

No, answer, but som ekind of soultion. Changing the gw/cpic_timeout and other gateway-related profile paramters the problem doesn't arise so often.
We had the following parameters:
gw/cpic_timeout             100
gw/max_sys                  1000
gw/max_overflow_size    100000000
gw/conn_disconnect       2700
gw/max_conn                2000
gw/so_keepalive             1
Note, that the BI 7.0 BeX require huge amount of mem and powerfull CPU on the frontend side, as well. This also helps.
Rgds,
Gábor

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Symptom
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25.01.2007 Page 2 of 3
SAP Note Number 916090
RFC-error messages in Web Application Designer 2004s
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Header Data
Release Status: Released for Customer
Released on: 27.02.2006 11:11:38
Priority: Recommendations/additional info
Category: Consulting
Main Component BW-BEX-ET-WEB-AD WEB Application Designer (Publishing)
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BW-BEX Business Explorer
BW-BEX-ET Enduser Technology
BW-BEX-ET-WEB BEx Web ABAP Runtime
BW-BEX-ET-WEB-RT WEB Run Time
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25.01.2007 Page 3 of 3
SAP Note Number 916090
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Software Component Release From
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Number Short Text
953109 RSPOR_SETUP: "Option Unicode flag is not set (ABAP is Unicod
917950 SAP NetWeaver 2004s: Setting Up BEx Web
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Attributes
Attribute Value
weitere Komponenten 0000000050
weitere Komponenten 0000030974
weitere Komponenten 0000032291
weitere Komponenten 0000034475

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