I'm getting something similar,
NULL pointer to instance
Class: 'CustomMission'
Function: 'SpawnTraderObjects'
Stack trace:
TM/Trader/scripts/5_Mission/mission\missionserver.c:469
TM/Trader/scripts/5_Mission/mission\missionserver.c:63
VPPAdminTools/5_Mission/vppadmintools\missionserver.c:30
ZomBerry/AT/scripts/5_Mission/zomberry.c:404
CannabisPlus/scripts/5_mission/missionserver.c:7
HackingMod/scripts/5_Mission/mission\missionserver.c:5
SchanaModParty/Mission/mission\missionserver.c:3
MassTextures\scripts\5_Mission/config sync\missionserver.c:4
BaseBuildingPlus/scripts/5_Mission/mission\missionserver.c:34

I got 3 errors like that. Any idea on how to fix?

Originally posted by Sàndor:

hi all, thank you first for your work and your mod. I am contacting you because since 1.17 I have had problems with my server and by analyzing my crash file I come across this. can you help me please :

NULL pointer to instance
Class: 'CustomMission'
Function: 'OnUpdate'
Stack trace:
TM/Trader/scripts/5_Mission/mission\missionserver.c:231
scripts/3_Game/dayzgame.c:2467
JM/CF/Scripts/3_Game/communityframework\game\dayzgame.c:23
VPPAdminTools/3_Game/vppadmintools\vanillaplusplus.c:59

did you figure it out i have the same problem