When discovery a network device on the Spectrum with community string on a v2C, the spectrum will store the community string like this:
The community string is the word "private" but Spectrum keeps the community version in front of the word.
When you look the profiles on the snmpcollector you can see the device is added but the community string is wrong, as you can see the yellow warning signal:
If you do the community check on the probe snmpcollector you can see the community failure:
If you go to the snmpcollector database you will see the community is stored like #v2/private and should be just private: