Navigational data failed

I just did a fresh install of X-plane 12 and updated to version 12.1 beta6. I also installed the latest navigraph FMC manager and updated the X-Plane 12 to airac cycle 2405. Why am I getting an error message telling that loading navigational data failed. Wrong or old file format, 1150 or 1200 is required for X-Plane 12\custom… I also used the installer to update files. What am i doing wrong?

Please check your X-Plane 12 path in FMS Data Manager Settings is correct.


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