@silkwormb and others,

Adding to explanation from Boki, I usually had similar problems when ALL HNR files were in map folder - Eastern Europe, Full Europe and Western Europe.
You need ONLY ONE package of them.
If you use all maps (complete Europe) then use ONLY Full Europe HNR files (not Eastern + Western Europe).
Same is for only Eastern or only Western maps, then use ONLY according HNR files.

You can use Full Europe HNR files regardless of maps combination.

But if some maps (FBL files) are missing, don't forget to put in sys.txt file:
Code:
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Missing this could also be reason for crashing, so you can leave this in sys.txt also if you have all maps included.