Web Application Designer -Unknown Error Occured during Portal Communication

we are getting the below error while using the Web Application Designer .
"Unknown Error Occured during Portal Communication"
Vesrion
SAPBW 700 SP14 on ABAP & SP12 on JAVA.
Found the below error in the default trace
Error 1
Exception thrown Fri Aug 15 11:29:15,070:Exception thrown by application running in JCo Server
java.lang.RuntimeException: Bean RSWR_PREEXECUTION_PROXYnot found on host smy14sap99, ProgId =SMY14SAP99_PORTAL_BD1: Object not found in lookup of RSWR_PREEXECUTION_PROXY.
Error 2
Error> occured >Fri Aug 15 11:29:12,413<
RfcException:
message: 'ashost' is missing
Return code: RFC_INVALID_PARAMETER(19)
error group: 101
key: RFC_ERROR_PROGRAM

Hello,
Have a look at these Notes
SAP Note 988484 RC=12 in after import method for objects BTMP and BITM
SAP Note 916090 RFC-error messages in Web Application Designer 2004s
Thanks
Chandran

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]]

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