Weapon Inventory related crash

[ZAJL]

Application has crashed: C++ exception
mods/[Rokk] IREnFIST - Reloaded/lua/blackmarketgui.lua:2777: attempt to index a nil value

SCRIPT STACK

orig_blackmarket_gui_set_selected_tab() lib/managers/menu/blackmarketgui.lua:7208
set_selected_tab() @mods/WolfHUD-master/lua/MenuTweaks.lua:242
next_page() lib/managers/menu/blackmarketgui.lua:7418
ddi_original_blackmarketgui_mousepressed() lib/managers/menu/blackmarketgui.lua:6807
original() @mods/[TDLQ] Drag and Drop Inventory/lua/blackmarketgui.lua:21
mouse_pressed() @mods/base/req/core/Hooks.lua:288
mouse_pressed() lib/managers/menu/menucomponentmanager.lua:1475
mouse_pressed() @mods/base/lua/MenuComponentManager.lua:23
mouse_pressed() lib/managers/menu/menurenderer.lua:375
mouse_press() lib/managers/menu/menuinput.lua:662
lib/managers/mousepointermanager.lua:345

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Callstack:

     payday2_win32_release  (???)     ???                                                 
     payday2_win32_release  (???)     ???                                                 
     payday2_win32_release  (???)     ???                                                 
     payday2_win32_release  (???)     zip_get_name                                        
                     ntdll  (???)     RtlAllocateHeap                                     

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How to replicate:
while in the weapon inventory, go to the black market screen (buying a new weapon), scroll to the very end and attempt to continue scrolling (scroll past "special" or in this case "marksmen rifle" in the secondary category)

[ZAJL]

EDIT: This issue seems to be an incompatibility with "Custom Categories for Custom Weapons", along with "Custom Attachment Points" which need to be added to the list of incompatible mods if you have time (I reported an issue with CAP earlier this week on the mod page)