Unusual Sensor+ Rack Error.. "R 1 Old SW Version"

Here's another neat one...   Have one of my dimmer racks throwing the following error: "R 1 Old SW Version".  It shows in dimstat and the web interface. If I visit the status.sts page (easiest place to see everything) I see the following from rack1:  

<RS>
<RackStatus Name="S2DR1" SWVersion="3.1.2.9.0.38" RN="1" TimeLeft="3674" HOURSOFUSE="0" FREQ="60.00" VOLTSA="120" VOLTSB="120" VOLTSC="120" CURRENTA="0" CURRENTB="0" CURRENTC="0" HEADROOMA="20" HEADROOMB="20" HEADROOMC="20" POWERTYPE="3"AMB="75" AFState="Idle" DMXA="Off" DMXB="Off" EDMX="Off" sACN="On" Online="1"/>
<RackStatus Name="S2DR2" SWVersion="0.0.0.0.0.0" RN="2" TimeLeft="3674" HOURSOFUSE="0" FREQ="60.00" VOLTSA="119" VOLTSB="118" VOLTSC="118" CURRENTA="0" CURRENTB="0" CURRENTC="0" HEADROOMA="19" HEADROOMB="18" HEADROOMC="18" POWERTYPE="3"AMB="68" AFState="Idle" DMXA="Off" DMXB="Off" EDMX="Off" sACN="On" Online="0"/>
<RackStatus Name="S2DR3" SWVersion="0.0.0.0.0.0" RN="3" TimeLeft="3673" HOURSOFUSE="0" FREQ="60.00" VOLTSA="120" VOLTSB="119" VOLTSC="119" CURRENTA="0" CURRENTB="0" CURRENTC="0" HEADROOMA="20" HEADROOMB="19" HEADROOMC="19" POWERTYPE="3"AMB="72" AFState="Idle" DMXA="Off" DMXB="Off" EDMX="Off" sACN="On" Online="0"/>
<RackStatus Name="S2DR4" SWVersion="3.1.2.9.0.38" RN="4" TimeLeft="3673" HOURSOFUSE="0" FREQ="60.00" VOLTSA="120" VOLTSB="119" VOLTSC="119" CURRENTA="0" CURRENTB="0" CURRENTC="0" HEADROOMA="20" HEADROOMB="19" HEADROOMC="19" POWERTYPE="3"AMB="72" AFState="Idle" DMXA="Off" DMXB="Off" EDMX="Off" sACN="No-Data" Online="0"/>
<RackStatus Name="S2HDR1" SWVersion="0.0.0.0.0.0" RN="5" TimeLeft="3674" HOURSOFUSE="0" FREQ="60.00" VOLTSA="119" VOLTSB="118" VOLTSC="119" CURRENTA="0" CURRENTB="0" CURRENTC="0" HEADROOMA="19" HEADROOMB="18" HEADROOMC="19" POWERTYPE="3"AMB="73" AFState="Idle" DMXA="Off" DMXB="Off" EDMX="Off" sACN="On" Online="0"/>
<RackStatus Name="S2HDR2" SWVersion="0.0.0.0.0.0" RN="6" TimeLeft="3669" HOURSOFUSE="0" FREQ="60.00" VOLTSA="120" VOLTSB="117" VOLTSC="119" CURRENTA="0" CURRENTB="0" CURRENTC="0" HEADROOMA="20" HEADROOMB="17" HEADROOMC="19" POWERTYPE="3"AMB="66" AFState="Idle" DMXA="Off" DMXB="Off" EDMX="Off" sACN="On" Online="1"/>
</RS>
<Errors>
<Err Code="20" RN="1" CN="0" Time="May 24, 2018 2:28.15" Data="0" Description="R 1 OLD SW VERSION" EId="0" ErrorTime="1527125295"/>
</Errors>

If I visit the same page for rack 2 I see this:

<RS>
<RackStatus Name="S2DR1" SWVersion="3.1.2.9.0.38" RN="1" TimeLeft="3674" HOURSOFUSE="0" FREQ="60.00" VOLTSA="120" VOLTSB="120" VOLTSC="120" CURRENTA="0" CURRENTB="0" CURRENTC="0" HEADROOMA="20" HEADROOMB="20" HEADROOMC="20" POWERTYPE="3"AMB="75" AFState="Idle" DMXA="Off" DMXB="Off" EDMX="Off" sACN="On" Online="0"/>
<RackStatus Name="S2DR2" SWVersion="3.1.2.9.0.38" RN="2" TimeLeft="3363" HOURSOFUSE="0" FREQ="60.00" VOLTSA="119" VOLTSB="118" VOLTSC="118" CURRENTA="0" CURRENTB="0" CURRENTC="0" HEADROOMA="19" HEADROOMB="18" HEADROOMC="18" POWERTYPE="3"AMB="73" AFState="Idle" DMXA="Off" DMXB="Off" EDMX="Off" sACN="On" Online="1"/>
<RackStatus Name="S2DR3" SWVersion="3.1.2.9.0.38" RN="3" TimeLeft="3362" HOURSOFUSE="0" FREQ="60.00" VOLTSA="119" VOLTSB="119" VOLTSC="119" CURRENTA="0" CURRENTB="0" CURRENTC="0" HEADROOMA="19" HEADROOMB="19" HEADROOMC="19" POWERTYPE="3"AMB="75" AFState="Idle" DMXA="Off" DMXB="Off" EDMX="Off" sACN="On" Online="1"/>
<RackStatus Name="S2DR4" SWVersion="3.1.2.9.0.38" RN="4" TimeLeft="3361" HOURSOFUSE="0" FREQ="60.00" VOLTSA="119" VOLTSB="118" VOLTSC="119" CURRENTA="0" CURRENTB="0" CURRENTC="0" HEADROOMA="19" HEADROOMB="18" HEADROOMC="19" POWERTYPE="3"AMB="72" AFState="Idle" DMXA="Off" DMXB="Off" EDMX="Off" sACN="On" Online="1"/>
<RackStatus Name="S2HDR1" SWVersion="3.1.2.9.0.38" RN="5" TimeLeft="3363" HOURSOFUSE="0" FREQ="60.00" VOLTSA="119" VOLTSB="118" VOLTSC="119" CURRENTA="0" CURRENTB="0" CURRENTC="0" HEADROOMA="19" HEADROOMB="18" HEADROOMC="19" POWERTYPE="3"AMB="77" AFState="Idle" DMXA="Off" DMXB="Off" EDMX="Off" sACN="On" Online="1"/>
<RackStatus Name="S2HDR2" SWVersion="3.1.2.9.0.38" RN="6" TimeLeft="3353" HOURSOFUSE="0" FREQ="60.00" VOLTSA="119" VOLTSB="117" VOLTSC="119" CURRENTA="0" CURRENTB="0" CURRENTC="0" HEADROOMA="19" HEADROOMB="17" HEADROOMC="19" POWERTYPE="3"AMB="70" AFState="Idle" DMXA="Off" DMXB="Off" EDMX="Off" sACN="On" Online="1"/>
</RS>
<Errors>
<Err Code="20" RN="1" CN="0" Time="May 24, 2018 2:28.15" Data="0" Description="R 1 OLD SW VERSION" EId="0" ErrorTime="1527125295"/>
</Errors>
</Status>

Which as far as I can tell is showing the same software version for everything from rack2, though not from rack1.

On a separate/related note, do cem+ racks support (s)ntp for time setting? I see I can set the clock per rack from dimstat, but would be nice if I could set it up to synrconize to my time server.

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