Zygor lua error

Message: Error during initialization sequence 'ItemScore':
...ddOns\ZygorGuidesViewerClassicTBC\Item-ItemScore.lua:265: invalid capture index
-- STACKTRACE: --
[string "=[C]"]: in function `match'
[string "@[ZGV]\Item-ItemScore.lua"]:265: in function `GetItemDetails'
[string "@[ZGV]\Item-Upgrades.lua"]:58: in function `ScoreEquippedItems'
[string "@[ZGV]\Item-ItemScore.lua"]:113: in function `RefreshUserData'
[string "@[ZGV]\Item-ItemScore.lua"]:68: in function `Initialise'
[string "@[ZGV]\Item-ItemScore.lua"]:756: in function `func'
[string "@[ZGV]\ZygorGuidesViewer.lua"]:659: in function <[ZGV]\ZygorGuidesViewer.lua:659>

Time: Sat May 22 07:47:39 2021
Count: 1
Stack: Error during initialization sequence 'ItemScore':
...ddOns\ZygorGuidesViewerClassicTBC\Item-ItemScore.lua:265: invalid capture index
-- STACKTRACE: --
[string "=[C]"]: in function `match'
[string "@[ZGV]\Item-ItemScore.lua"]:265: in function `GetItemDetails'
[string "@[ZGV]\Item-Upgrades.lua"]:58: in function `ScoreEquippedItems'
[string "@[ZGV]\Item-ItemScore.lua"]:113: in function `RefreshUserData'
[string "@[ZGV]\Item-ItemScore.lua"]:68: in function `Initialise'
[string "@[ZGV]\Item-ItemScore.lua"]:756: in function `func'
[string "@[ZGV]\ZygorGuidesViewer.lua"]:659: in function <[ZGV]\ZygorGuidesViewer.lua:659>

[string "@Interface\AddOns\ZygorGuidesViewerClassicTBC\ZygorGuidesViewer.lua"]:4918: in function `ErrorThrow'
[string "@Interface\AddOns\ZygorGuidesViewerClassicTBC\ZygorGuidesViewer.lua"]:672: in function `StartupModule_Threaded'
[string "@Interface\AddOns\ZygorGuidesViewerClassicTBC\ZygorGuidesViewer.lua"]:738: in function `run_startup_cycle'
[string "@Interface\AddOns\ZygorGuidesViewerClassicTBC\ZygorGuidesViewer.lua"]:749: in function <...ns\ZygorGuidesViewerClassicTBC\ZygorGuidesViewer.lua:693>

Locals: <none>