There are strange items there first backup your config.xml
cp /etc/openmediavault/config.xml /etc/openmediavault/config.xml.bk
Then edit
nano /etc/openmediavault/config.xml go to the zeroconf section and delete the last lines there from your post
Code
<service>
<id>afp</id>
<enable>1</enable>
<name>%h - AFP</name>
</service>
<autoshutdown>
<enable>1</enable>
<cycles>6</cycles>
<sleep>2000</sleep>
<range>2..254</range>
<shutdowncommand>0</shutdowncommand>
<checkclockactive>0</checkclockactive>
<uphours-begin>0</uphours-begin>
<uphours-end>0</uphours-end>
<nsocketnumbers>21,22,80,139,445,3689,6991,9091,49152</nsocketnumbers>
<uldlcheck>0</uldlcheck>
<uldlrate>0</uldlrate>
<loadaveragecheck>0</loadaveragecheck>
<loadaverage>0</loadaverage>
<hddiocheck>0</hddiocheck>
<hddiorate>0</hddiorate>
<syslog>0</syslog>
<verbose>0</verbose>
<fake>0</fake>
<extraoptions></extraoptions>
</autoshutdown>
<service>
<id>afp</id>
<enable>1</enable>
<name>%h - AFP</name>
</service>