BIA 7.00: Warning in RFC_CHECK

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Symptom
After upgrading to BIA revision 49, you get a warning in the rfc_check: Check active communication method (ICM / TCM)
Remark: TCM was formerly known as DBDL.
Other terms
ICM, TCM, DBSL, rfc_check, alertserver, warning
Reason and Prerequisites
You have upgraded to BIA revision 49. There is an error in the RFC check.
Solution
Apply SAP Note 1293777.

TREX 7.1: Serialization of an XML data stream has failed

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Symptom
You sporadically receive an error message that the serialization of an XML data stream has failed.
Other terms
DBPROC, DBSL, TCM, TREX
Reason and Prerequisites
In your system, a TREX instance is called by the communication method “TCM” (previously: “DBSL”). (You will find the relevant setting in transaction TREXADMIN under “TREX ABAP Customizing”.) In rare cases, the [...]