You can’t be serious. Six or Seven years over 4200 years? Don't you think you are now grasping at straws?
The Oera Linda Book uses the Date of 2193/2194 as the start of their calendar. If you examine the OLB like I did and you find all the verifiable facts to be correct, then you must assume that the date is also pretty accurate. Add to this the demise of the Akkadian Empire (2193 BC), the Harrapan Urban Civilization (c. 2200 BC), The Old Kingdom in Egypt (c. 2200BC), Ancient cultures in China (c. 2200 BC), all the tsunami and flood evidence I gave earlier today (c. 2200 BC), etc. etc. Surely you do not expect all these archaeological dates to be accurate to the exact year.
Btw. The OLB dating just happens to tie in with Alexander the Great's Indian campaign which tells me the date is correct.
I am certain you have it in you to up your analytical skills a notch or two.