RMS sends illegal command sp_mda to Mirror Replication Agent

[CR# 425309] If Replication Monitoring Services (RMS) is connected to (monitoring) a Mirror Replication Agent and the Mirror Replication Agent has turned on tracing, this error may appears in the agent's log:

Got login event: sa 
Maintenance user <sa> successfully logged in from host=<chooch> with locale=us_english
Got RPC event from TDS: sp_mdareceive() - cmd: sp_mda <1>, <7>
Illegal command: <sp_mda>, received:  - 
Received execution status for sp_mda
Command failed
Exception message: Illegal command: <sp_mda> - 
Error number: 0
Error level: 0
Result data is null
Got RPC event from TDS: dba.sp_mda

This error does not cause any problem and you can ignore it.