If a persons glucose level was invalid due to glycolysis, is that necessary a bad thing. Is glycolysis bad?

My husband and I recently had lab work done for our insurance policy. His glucose result stated “invalid due to glycolysis. Is this an indicator of something bad in his body?

Glycolysis is the process by which your body breaks down glucose (type of sugar) to get energy. It is fundamental to all life on Earth and is necessary for survival.

Here’s some relatively nontechnical information on glycolysis:

http://www.terravivida.com/vivida/glyintro/