Hi Bart. Don't know if it helps you, but I found this in the logfile after i tried to open the map in the Omsi 2 editor.
63 00:48:32 - - Error: In "maps\Bronsmeer\TTData\11 Br-Br.ttr" there was an error in line 12!
64 00:48:32 - - Error: In "maps\Bronsmeer\TTData\12 Br-Dr.ttr" there was an error in line 12!
65 00:48:32 - - Error: In "maps\Bronsmeer\TTData\12 Dr-Br.ttr" there was an error in line 12!
66 00:48:32 - - Error: In "maps\Bronsmeer\TTData\124 Hr-Zd.ttr" there was an error in line 12!
67 00:48:32 - - Error: In "maps\Bronsmeer\TTData\124 Zd-Hr.ttr" there was an error in line 12!
68 00:48:32 - - Error: In "maps\Bronsmeer\TTData\128 Dr-Vd.ttr" there was an error in line 12!
69 00:48:32 - - Error: In "maps\Bronsmeer\TTData\128 IJ-Li.ttr" there was an error in line 12!
70 00:48:32 - - Error: In "maps\Bronsmeer\TTData\128 Li-IJ.ttr" there was an error in line 12!
71 00:48:32 - - Error: In "maps\Bronsmeer\TTData\128 Vd-Dr.ttr" there was an error in line 12!
72 00:48:32 - - Error: In "maps\Bronsmeer\TTData\342 Hr-Zu.ttr" there was an error in line 12!
73 00:48:32 - - Error: In "maps\Bronsmeer\TTData\342 Zu-Hr.ttr" there was an error in line 12!
74 00:48:32 - - Error: In "maps\Bronsmeer\TTData\br uit.ttr" there was an error in line 12!
75 00:48:32 - - Error: In "maps\Bronsmeer\TTData\Dr uit.ttr" there was an error in line 12!
76 00:48:32 - - Error: In "maps\Bronsmeer\TTData\hr in.ttr" there was an error in line 12!
77 00:48:32 - - Error: In "maps\Bronsmeer\TTData\Hr uit.ttr" there was an error in line 12!
78 00:48:32 - - Error: In "maps\Bronsmeer\TTData\Br-Br 11.ttp" there was an error in line 22!
79 00:48:32 - - Error: In "maps\Bronsmeer\TTData\Br-Dr 12.ttp" there was an error in line 22!
80 00:48:32 - - Error: In "maps\Bronsmeer\TTData\Dr-Br 12.ttp" there was an error in line 22!
81 00:48:32 - - Error: In "maps\Bronsmeer\TTData\Dr-Vd 125.ttp" there was an error in line 22!
82 00:48:32 - - Error: In "maps\Bronsmeer\TTData\Hr-Zd 124.ttp" there was an error in line 22!
83 00:48:32 - - Error: In "maps\Bronsmeer\TTData\IJ-Li 128.ttp" there was an error in line 22!
84 00:48:32 - - Error: In "maps\Bronsmeer\TTData\Li-IJ 128.ttp" there was an error in line 22!
85 00:48:32 - - Error: In "maps\Bronsmeer\TTData\Vd-Dr 125.ttp" there was an error in line 22!
86 00:48:32 - - Error: In "maps\Bronsmeer\TTData\Zd-Hr 124.ttp" there was an error in line 22!
My gues is that it has something to do with Your advanced IBIS / matrix system.
Have you tried to instal the "normal" sytem?
Hope this could be of any help.
Oh and by the way the map looks realy fantastic. Gives you a real feeling of driving in the Netherlands.