Thanks for very speed answer
Yes, the settings mesh are good and conform to your manual, 5 and 100
I use the scan, but not find another afcad ...
Do you have some idea whats the default ellévation file in FSX for see if this file are an original ...
( in the scenery folder with folder name 0000, 0001, 002 etc ... end by the folder World ) Witch folder are the CYVR by default ?
I'm despited ... I look at for find a solution all the days, tried all solution ... disable all my scenery except Cyvr ... patch Orbx ...but not run corectly, I have every time this elévation problem, hole, on some area from the airport

Yes, the symptom are the same with 3rd party or duplicated afcad ... except ...there is not 2X afcad and not 3rd party in this area !