Application has crashed: C++ exception / attempt to index a nil value
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Good morning, Good evening and Good afternoon depending on the time you read this
after the new PAYDAY 2 Update which I downloaded today ( 18/12/2025 ) of course some of the mods I installed bugged out, the problem now is that I can't Identifie which mode is the cause so can anyone tell me ?
note : of course I don't mean the exact mode but what type of mode I should be looking for
the bus is a crash in the heist complete screen when all the experience is being counted and stuff before any calculation happens

Crash Log

Application has crashed: C++ exception
[string "lib/managers/upgradesmanager.lua"]:807: attempt to index a nil value

SCRIPT STACK

max_points_for_current_level() lib/managers/skilltreemanager.lua:2202
_aquire_points() lib/managers/skilltreemanager.lua:575
level_up() lib/managers/skilltreemanager.lua:560
_level_up() lib/managers/experiencemanager.lua:296
add_points() lib/managers/experiencemanager.lua:270
give_experience() lib/managers/experiencemanager.lua:146
update() lib/states/missionendstate.lua:914
update() core/lib/utils/game_state_machine/coregamestatemachine.lua:92
original() lib/setups/setup.lua:940
update() @mods/base/req/core/Hooks.lua:266
original() lib/setups/gamesetup.lua:802
update() @mods/base/req/core/Hooks.lua:266
update_original() lib/setups/networkgamesetup.lua:21
update() @mods\FloatingHealthBars\Core.lua:31
orig__update() core/lib/setups/coresetup.lua:559
trainer/tools/pubinfloopv2.lua:141


Callstack:

     payday2_win32_release  (???)     ???                                                 
     payday2_win32_release  (???)     ???                                                 
     payday2_win32_release  (???)     ???                                                 
     payday2_win32_release  (???)     ???                                                 
     payday2_win32_release  (???)     ???                                                 
                  KERNEL32  (???)     BaseThreadInitThunk                                 
                     ntdll  (???)     RtlInitializeExceptionChain                         
                     ntdll  (???)     RtlGetAppContainerNamedObjectPath                   

Current thread: Main


System information:
Application version : 1.145.250.
CPU : Intel(R) Core(TM) i9-14900HX (16 cores); SSE; SSE2; SSE3; SSSE3; SSE4.1; SSE4.2
DirectX : 12.0
GPU : NVIDIA GeForce RTX 4070 Laptop GPU / nvldumd.dll[32.0.15.8180]
Language : english
Memory : 15997MB 432KB
OS : 6.2.9200 () 0x100-0x1 (64 bits)
Physics : threaded
Renderer : DX9 threaded
Sound : Realtek Semiconductor Corp. (Headphones (Realtek(R) Audio))

if anyone can help please I'm in dire need of it and thanks in advance

Bug
Replies
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Check these mod: Optional Skin Attachments can be the problem

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It’s completely understandable how frustrating this kind of PAYDAY 2 crash feels, especially when you’ve just updated and the issue hits right at the heist completion screen, so focusing on mods that hook into experience gain, skill trees, UI overlays, or post-mission calculations is usually the healthiest starting point, and when the stress builds up, stepping away to unwind with a few calm, rhythmic Geometry Dash Lite runs can actually help reset your focus before troubleshooting again.

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