Well, I just tested v1.02 and the game still crashes when I try to discard an item that has a picture image (and also the flickering is still there). Here's the new console log:
rpg_managers.js:1949 TypeError: Cannot read property 'length' of undefined
at KoTCAddMapLoot (KoTC Roguelike Loot Drop System.js:1033)
at Scene_Item.onActionDiscard (KoTC Roguelike Loot Drop System.js:785)
at Window_ItemActionCommand.Window_Selectable.callHandler (rpg_windows.js:902)
at Window_ItemActionCommand.Window_Command.callOkHandler (rpg_windows.js:1426)
at Window_ItemActionCommand.Window_Selectable.processOk (rpg_windows.js:1156)
at Window_ItemActionCommand.Window_Selectable.onTouch (rpg_windows.js:1086)
at Window_ItemActionCommand.Window_Selectable.processTouch (rpg_windows.js:1054)
at Window_ItemActionCommand.Window_Selectable.update (rpg_windows.js:986)
at Window_ItemActionCommand.update (YEP_ItemCore.js:2032)
at Window_ItemActionCommand.update (YEP_X_ItemDiscard.js:239)
SceneManager.catchException @ rpg_managers.js:1949