[Sharlikran]

STEP 1: Remove embedded libraries - no change
STEP 2: Remove all calls to LibStub - no change
-- Reason, because LibAddonMenu has an embedded copy of it
-- Completed, no change fiddlesticks
STEP 3: Disable all mods except Libraries - no change
-- Reason, enable one mod at a time until the issue occurs
STEP 4: Enable one mod at a time until error occurs - Error!
-- Reproduced with only FoundryTacticalCombat enabled.
STEP 5: Disable Libraries until error does not occur - Progress, no error
-- RESOLVED disable LibGPS and error no longer occurs



STEP 6: Reproduce with only the minimal mods required for the error - Confirmed



Minimal reproducer:

FoundryTacticalCombat
LibAddonMenu-2.0
LibChatMessage
LibDebugLogger
LibGPS
LibMapPing
LibMsgWin-1.0

STEP 7: Revert only LibGPS to previous version - Error!
-- Reproduced with 2.0 r21
STEP 8: Revert only FoundryTacticalCombat with current LibGPS - Error!
-- Reverted to FoundryTacticalCombat v1.05, added LibStub, Reverted all libraries to official ESOUI versions, installed LibGPS 3.0.1
STEP 9: Disable only LibGPS 3.0.1 - Progress, no error
STEP 10: Revert LibGPS to 2.0 r21 with FoundryTacticalCombat v1.05 - Error!
STEP 11: Rename Saved Variables folder - Error!
STEP 12: Disable LibGPS 2.0 r21 with FoundryTacticalCombat v1.05 - Progress, no error
STEP 13: Bold jump to previous versions LibGPS v2.0 r17 and FoundryTacticalCombat Version: 1.04 - Error!
STEP 14: Revert back to all current versions with new saved variables folder - Error!
-- NOTE: I forgot to enable LibGPS
-- Error log LibDebugLogger_01.zip attached at this state at this step
STEP 15: Leaving everything the way it is and deleting the saved variables folder again to see if error still occurs - Error!
STEP 16: Back to disable libraries until error goes away - Progress, no error
-- DISABLED: LibChatMessage
STEP 17: Look into LibChat messages versions - Error!
-- NOTE: Reverting to LibChatMessage 1.1.2 but disabling FTC - Progress, no error
STEP 18: Leave things the way it is and delete saved variables folder - Progress, no error
STEP 19: Enable only LibChatMessage with 1.1.2, reload the UI to make a saved variables file, enable FTC - Progress, no error
-- NOTE: I am aware that in 1.1.3 there was some fix for saved variables not being available
STEP 20: Upgrade to current LibChatMessage - Error!
STEP 21: Disable current LibChatMessage 1.1.3 again - Progress, no error
-- NOTE: With LibChatMessage 1.1.2 and a new saved variables folder, the error occurred. After reloading the UI the error went away.
STEP 22: Double check previous step still works with LibChatMessage 1.1.2 - Progress, no error
-- NOTE: With LibChatMessage 1.1.2 installed and the current FTC you have to have the following mods installed
---- MODS: FoundryTacticalCombat, LibAddonMenu-2.0, LibChatMessage, LibDebugLogger, LibGPS, LibMapPing, LibMsgWin-1.0
---- Disabled Mods: LibGPS
---- Error Specifics: Delete the saved variables folder. When you load the game and press enter then you will get the error. If you type /reloadui (you will not be able to read it) you have to CRSR to it and have blind faith when you select it and press enter. However, if done correctly and the UI loads then the error does not occur.