What is platelet anisocytosis?

Patient: Hello doctor,you there?I have got my cbc test done. MCH is 26.4. MCHC is 31.5 and MONO is 10.2 .Other values are normal in CBC. And the comments in report are; MPV is a calculated parameter,value are missing due to platelet anisocytosis. What does it mean?

Symptoms: Low grade fever,body ache, sore throat.