I'm not talking about errors that are subject to interpretation. Whether you believe the dead are alive now, for example, really depends on your worldview and your interpretation of scripture. Whether you believe in "the law of believing" depends on your interpretation of certain words of Christ.
But some errors are concrete. They are objective. If I told you 2+2=5, you would be able to say I am wrong, flat out, and that there was no room for misinterpretation of that fact. I can't say, "well,