Plugin error : Unable to allocate 3.97 GiB

I am trying to run a trained Silva classifier.
Greengene runs, but Silva throws an error like that.

My computer's RAM capacity is 8 Gib.
Is that error a problem with the amount of RAM in my computer?

2 off-topic replies have been merged into an existing topic: Fail to train feature classifier from EzBiocloud database (unable to allocate 3.92 GiB for array with shape)

Please keep replies on-topic in the future.