While working in an application over TPX users are suddenly thrown back to VTAM

Document ID : KB000053298
Last Modified Date : 14/02/2018
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Description:

Users working in an application are suddenly thrown back to VTAM. The TPXlog shows TPXL0085 message with a sensecode of 20030000.

Solution:

We have seen this error in conjunction with some releases of IBM Personal Communication Emulation.

The TPXlog will show:

TPXL0085 09/08/08.252 16:10:53.05 RPL ERROR MANAGEMENT ROUTINE ENTERED
         PLU=xxxxxxxx  SLU=SMV1     USER=xxxx REQ=00 000C0000 04800000
          TERMSB=1FEA1C78 APPLSB=1FEAD5B8 EB=1ED22E00 RPL=1ED1F088
          RTNCD=04 FDBK2=04 MEANING=NEGATIVE RESPONSE RECEIVED
          SENSE CODE=20030000 MEANING=BRACKET ERROR
          ACTIONS TO BE TAKEN: STATUS RESET
                               CLEAR/SDT
                               INPUT CHAIN WAS RESET
                               EVENT STORAGE PURGED

A possible solution is to apply IBM PCOMM APAR IC46489/IP22895 or upgrade to IBM PCOMM 5.8 service pack 2.
The following link to IBM provides more informations about Personal Communications 5.8.4.0 (Manufacturing Refresh #4):
http://www-1.ibm.com/support/docview.wss?rs=128&context=SSEQ5Y&dc=D400&uid=swg24009599&loc=en_US&cs=UTF-8&lang=en&rss=ct128other.

If above does not fit please open an issue for CA-TPX for further reseach.