Appears to not work at all currently.

Cant add macros or use macros, and the database is gone.

Date: 2020-10-18 10:35:01
ID: 1
Error occured in: Global
Count: 1
Message: ..\AddOns\GSE\API\Storage.lua line 218:
attempt to index field '?' (a nil value)
Debug:
...Ons\TradeSkillMaster\LibTSM\Service\ErrorHandler.lua:758:
...Ons\TradeSkillMaster\LibTSM\Service\ErrorHandler.lua:717
[C]: ?
GSE\API\Storage.lua:218: OOCPerformMergeAction()
GSE\API\Events.lua:446: ?()
...\AddOns\DataStore\libs\AceTimer-3.0\AceTimer-3.0.lua:55:
...\AddOns\DataStore\libs\AceTimer-3.0\AceTimer-3.0.lua:50
Locals:
errMsg = "Interface\AddOns\GSE\API\Storage.lua:218: attempt to index field '?' (a nil value)"
isBugGrabber = nil
tsmErrMsg = nil
oldModule = nil
private =

{
globalNameTranslation = {
}
FormatErrorMessageSection = defined @interface\AddOns\TradeSkillMaster\LibTSM\Service\ErrorHandler.lua:517
ErrorHandler = defined @interface\AddOns\TradeSkillMaster\LibTSM\Service\ErrorHandler.lua:134
origErrorHandler = defined @interface\AddOns\Decursive\Dcr_DIAG.lua:597
hitInternalError = false
CreateErrorFrame = defined @interface\AddOns\TradeSkillMaster\LibTSM\Service\ErrorHandler.lua:536
num = 0
SanitizeString = defined @interface\AddOns\TradeSkillMaster\LibTSM\Service\ErrorHandler.lua:510
AddonBlockedHandler = defined @interface\AddOns\TradeSkillMaster\LibTSM\Service\ErrorHandler.lua:502
GetStackLevelInfo = defined @interface\AddOns\TradeSkillMaster\LibTSM\Service\ErrorHandler.lua:344
ParseLocals = defined @interface\AddOns\TradeSkillMaster\LibTSM\Service\ErrorHandler.lua:396
ignoreErrors = false
errorReports = {
}
IsTSMAddon = defined @interface\AddOns\TradeSkillMaster\LibTSM\Service\ErrorHandler.lua:478
localLinesTemp = {
}
GetStackInfo = defined @interface\AddOns\TradeSkillMaster\LibTSM\Service\ErrorHandler.lua:313
}
MAX_STACK_DEPTH = 50
OLD_TSM_MODULES = {
1 = "TradeSkillMaster_Accounting"
2 = "TradeSkillMaster_AuctionDB"
3 = "TradeSkillMaster_Auctioning"
4 = "TradeSkillMaster_Crafting"
5 = "TradeSkillMaster_Destroying"
6 = "TradeSkillMaster_Mailing"
7 = "TradeSkillMaster_Shopping"
8 = "TradeSkillMaster_Vendoring"
9 = "TradeSkillMaster_Warehousing"
}

AddOns:
Swatter, v8.2.6377 (SwimmingSeadragon)
AdvancedInterfaceOptions, v1.4.0
Altoholic, vClassic-v1.13.5-050
Atlas, vv1.47.03.11304.00
AtlasBattlegrounds, vv1.47.00.11305.00
AtlasClassicWoW, vv1.47.02.11304.00
AtlasDungeonLocs, vv1.47.00.11303.00
AtlasLootClassic, vv1.5.6
AtlasLootClassicData, vv1.5.6
AtlasLootClassicDungeonsAndRaids, vv1.5.6
AtlasLootClassicMaps, vv1.0.0
AucAdvanced, v8.2.6430 (SwimmingSeadragon)
AucFilterBasic, v8.2.6364 (SwimmingSeadragon)
AucStatHistogram, v8.2.6366 (SwimmingSeadragon)
AucStatiLevel, v8.2.6370 (SwimmingSeadragon)
AucStatPurchased, v8.2.6367 (SwimmingSeadragon)
AucStatSimple, v8.2.6399 (SwimmingSeadragon)
AucStatStdDev, v8.2.6369 (SwimmingSeadragon)
AucUtilFixAH, v8.2.6371 (SwimmingSeadragon)
Auctionator, v8.1.0
AutoDismount, v1.0.3
BeanCounter, v8.2.6434 (SwimmingSeadragon)
buffOmat, v1.82
CEPGP, v
CharacterStatsClassic, v3.6.5
ClassicAuraDurations, v1.13.61
ClassicHealingAssignments, v0.2.4
ClassicLootAssistant, v
ClassicWorldMapEnhanced, v1.1-Release
Clique, vv1.0.3-classic
DataStore, vv1.13.013
DataStoreAgenda, vr31
DataStoreAuctions, vv1.13-013
DataStoreCharacters, vv1.13-013
DataStoreContainers, vv1.13-013
DataStoreCrafts, vv1.13-013
DataStoreInventory, vv1.13-013
DataStoreMails, vv1.13-013
DataStoreQuests, vv1.13-013
DataStoreReputations, vv1.13-013
DataStoreTalents, vr62
DBMCore, v1.13.61-4-gccacb9a
DBMDefaultSkin, v
DBMStatusBarTimers, v
Decursive, v2.7.7
Dismounter, v1.2.1
DynamicBoxer, vv2.13.03
ElvUI, v1.31
EMAClassic, vv1.13.4-Release-v0.9(121029)
Enchantrix, v8.2.6428 (SwimmingSeadragon)
EnchantrixBarker, v8.2.6469 (SwimmingSeadragon)
ExRT, v4330
ExtendedCharacterStats, v2.6.2
FasterLooting, v1.1.2
FishingBuddy, v0.7.3 Beta 7
GatherMate2, v1.45.5
GSE, v2.6.15
GSEGUI, v2.6.15
GSELDB, v2.6.15
GTFO, v4.55
Informant, v8.2.6374 (SwimmingSeadragon)
ISBoxer, v1.0
KillTrack, vv1.13.0
LeatrixMaps, v1.13.81
LeatrixPlus, v1.13.81
MissingTradeSkillsList, v1.13.51
NameplateSCT, v1.6
NovaInstanceTracker, v1.11
NovaWorldBuffs, v1.84
OmniCC, v9.0.1
PallyPower, vv1.2.27-classic
Questie, v6.1.0
RaidSummon, v3.4.1
Recount, vv1.13.5c
SlideBar, v8.2.6375 (SwimmingSeadragon)
SpeedyAutoLoot, v2.0.31
Spy, v1.1.2
Stubby, v8.2.6376 (SwimmingSeadragon)
ThreatClassic2, v2.24
TidyPlatesThreatPlates, v10.0.1
TomTom, vv11305-1.1.5
TradeSkillMaster, vv4.10.9
TradeSkillSearch, v7
TradeSkillWhisperLookup, v0.2.6-beta
TranqRotate, v1.4.0
VendorPrice, v1.3.7
Wardrobe, v2.0.0
WeakAuras, v3.0.2
WeaponSwingTimer, v4.1.0
WIM, v3.8.15
xptracker, v0.5
BlizRuntimeLib_enUS v1.13.5.11305
(ck=aa5)

Closing as a duplicate of #713

There is further information available on what to try at https://wowlazymacros.com/t/gse-2-6-14-released-for-both-retail-ptr-and-beta/16870/76?u=timothyluke