Corrupt navdata, and no waypoints

Hello. I have a problem with navigraph. I fly the zibo 737. I dowload newset airac, to the x-plane 11.50. Everything looks fine until I enter the sim. Its the same for all aircrafts btw. None work. It says corrupt navdata. I have no experience with what that means or does. I have flown for like 2 months without waypoints because of it. It is really irritiating, and I need help.

you will find the answer in several postings here in the forum.

One answer is here: AIRAC 2014 error in Zibo FMC - #8 by dhkim0800

It’s no navdata issue

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