What is the meaning of the legal Maxim 'Ignorantia Facti Excusat- Ignorantia Juris Non Excusat'

Ignorance of law is an excuse Ignorance of law of fact is not an excuse Ignorance of fact is an excuse but ignorance of law is not an excuse Ignorance of fact is not an excuse

Ignorance of fact is an excuse but ignorance of law is not an excuse

The correct answer is Option (3) → Ignorance of fact is an excuse but ignorance of law is not an excuse