Stops working after a while

Similar to #6 but happened on join, and nothing happened when using join_as. Was in the first minute of a run with 6 other players. Unlike #6 I never spawned in and join_as never worked after map change.

[Error  : Unity Log] NullReferenceException: Object reference not set to an instance of an object
Stack trace:
DropInMultiplayer.DropInMultiplayer.SetupUserCharacterMaster (On.RoR2.Run+orig_SetupUserCharacterMaster orig, RoR2.Run self, RoR2.NetworkUser user) (at <7a419e0a20444fb5be1a4a97e28a2551>:0)
DMD<>?1399060224._Hook<RoR2_Run::SetupUserCharacterMaster>?1883195264 (RoR2.Run , RoR2.NetworkUser ) (at <9fb094c597394405b0c939a73ac2f1d9>:0)
RoR2.Run.OnUserAdded (RoR2.NetworkUser user) (at <9adb18c5484340e58a7afc9827db1de0>:0)
DMD<Start>?1399060224._Start (RoR2.NetworkUser this) (at <5128d81be93f4306b69b920bd98a04fd>:0)
DropInMultiplayer.DropInMultiplayer+<>c.<Awake>b__48_2 (On.RoR2.NetworkUser+orig_Start orig, RoR2.NetworkUser self) (at <7a419e0a20444fb5be1a4a97e28a2551>:0)
DMD<>?1399060224._Hook<RoR2_NetworkUser::Start>?-281131136 (RoR2.NetworkUser ) (at <62088846c8d34c0da1f47e9219679335>:0)

NullReferenceException: Object reference not set to an instance of an object
  at DropInMultiplayer.DropInMultiplayer.SetupUserCharacterMaster (On.RoR2.Run+orig_SetupUserCharacterMaster orig, RoR2.Run self, RoR2.NetworkUser user) [0x0013b] in <7a419e0a20444fb5be1a4a97e28a2551>:0
  at DMD<>?1399060224._Hook<RoR2_Run::SetupUserCharacterMaster>?1883195264 (RoR2.Run , RoR2.NetworkUser ) [0x00014] in <9fb094c597394405b0c939a73ac2f1d9>:0
  at RoR2.Run.OnUserAdded (RoR2.NetworkUser user) [0x00007] in <9adb18c5484340e58a7afc9827db1de0>:0
  at DMD<Start>?1399060224._Start (RoR2.NetworkUser this) [0x0005f] in <5128d81be93f4306b69b920bd98a04fd>:0
  at DropInMultiplayer.DropInMultiplayer+<>c.<Awake>b__48_2 (On.RoR2.NetworkUser+orig_Start orig, RoR2.NetworkUser self) [0x00001] in <7a419e0a20444fb5be1a4a97e28a2551>:0
  at DMD<>?1399060224._Hook<RoR2_NetworkUser::Start>?-281131136 (RoR2.NetworkUser ) [0x00014] in <62088846c8d34c0da1f47e9219679335>:0

Mods:

BasilPanda-DronesInheritItems-2.4.6
BasilPanda-EnemiesWithItems-1.2.7
bongopd-MobileTurretFungus-0.0.1
dan8991iel-LunarCoinShareOnPickup-3.5.0
KubeRoot-AutoItemPickup-1.3.2
Lodington-HjUpdaterAPI
MagnusMagnuson-BazaarPrinter-0.1.1
MagnusMagnuson-BiggerBazaar-1.7.3
mistername-AllyPing
mistername-BalancedObliterate
SushiDev-DropinMultiplayer-1.1.2
TheRealElysium-FasterTeleportCharge-1.0.0
TheRealElysium-ScalingBloodShrines-1.0.1
tristanmcpherson-R2API-2.3.20
Unordinal-AI_Blacklister-1.0.0
wildbook-MiniRpcLib-0.0.1

Config:

ImmediateSpawn = false
NormalSurvivorsOnly = true
StartWithItems = true
AllowSpawnAsWhileAlive = true
SpawnAs = false
HostOnlySpawnAs = false
GiveLunarItems = false
GiveRedItems = true
WelcomeMessage = true
GiveBossItems = true

Morris1927 / DropinMultiplayer

Stops working after a while #7