There also is a known error in SiteScope 11.32 which can lead to the error
2016-04-07 18:01:31,902 [TopologyReporterSender] (TopologyReporterSender.java:433) ERROR - failed to run main topology agent. topologyCommand=TopologyCommand{commandType=RUN_SCRIPT,
name="monitor_properties">com.mercury.infra.xdr_utils.prop_bag_array@458476b2</destinationData></destination>, dataSource='SiteScope04', script='create_monitor.py', ..
java.lang.Exception: Failed Running script :create_monitor.py
..
TypeError: __add__ nor __radd__ defined for these operands
preventing SiteScope from sending the topology to BSM.
You might wanna contact Support, refer to
QCIM1I119824 Topology sync issue after SiteScope upgrade
and ask for the hotfix for the issue.
Greetings
Siggi