I have an error from my VPS which I am sure does not have a GPU, but does not appear to have any consequences as I am still able to receive immature 3500 tBBP payments which I presume to be mining rewards.
from getmininginfo:
{
  "blocks": 58834,
  "currentblocksize": 1842,
  "currentblocktx": 2,
  "difficulty": 0.05928717518932814,
  "errors": "",
  "pooledtx": 0,
  "chain": "test",
  "genproclimit": 6,
  "networkhashps": 877889.1198299188,
  "hashps": 306.3897603130411,
  "minerstarttime": "05-02-2019 19:13:20",
  "hashcounter": 2062114,
  "pooledtx": 0,
  "chain": "test",
  "biblepay-generate": true,
  "poolinfo1": "",
  "poolinfo2": "",
  "poolinfo3": "",
  "gsc_errors": "anti-gpu triggered on my CPK",
  "poolmining": false,
  "pool_url": "",
  "required_abn_weight": 1000
}