Diligent Defenders: bad argument (table expected, got nil)

[Noiredd]

The following warning gets logged in mwse.log:

Morrowind Script Extender v2.1.0 (built Aug 22 2020) hooked.
Found MGE XE. Version: 0.11.6.0
MWSE Lua interface initialized.
[Graphic Herbalism] Initialized Version 1.03
[UI Expansion] Loaded configuration:
{
  "keybindShowAdditionalInfo":[56],
  "mapConfig":{
    "minY":-59,
    "maxY":29,
    "minX":-142,
    "cellResolution":9,
    "maxX":70,
    "autoExpand":true
  },
  "transferItemsByDefault":false,
  "useInventoryTextButtons":true,
  "keybindClose":[57],
  "components":{
    "options":true,
    "dialog":true,
    "mapPlugin":false,
    "contents":true,
    "console":false,
    "barter":true,
    "rest":true,
    "saveLoad":true,
    "inventorySelect":true,
    "tooltip":true,
    "training":true,
    "stat":true,
    "journal":false,
    "map":true,
    "quantity":true,
    "magic":true,
    "inventory":true
  },
  "keybindTakeAll":[29,57],
  "keybindMapSwitch":[50],
  "displayWeekday":true,
  "autoSelectInput":"Magic",
  "maxWait":1,
  "dialogueTopicSeenColor":"journal_finished_quest_color",
  "takeFilteredItems":true,
  "version":1.1,
  "showHelpText":true,
  "selectSpellsOnSearch":true,
  "autoFilterToTradable":true,
  "useSearch":true,
  "dialogueTopicUniqueColor":"link_color"
}
[Weapon Sheathing] Initialized Version 1.6
Expeditious Exit mod config registered
Graphic Herbalism mod config registered
Pass the Time mod config registered
Weapon Sheathing mod config registered
[Pass the Time 1.2] Initialized.
[UI Expansion] Skipping module: console
[UI Expansion] Skipping module: mapPlugin
[GHL] Graphic Herbalism Lighting v0.99 initialized
[Expeditious Exit] Mod initialized with configuration:
{
  "showMenuOnExit":true
}
[pg-ownership]: Initialized ownership indicator.
Initialized Dahrk's Super-Sized Storage [fixed by Noiredd]
[Pincushion] Loaded successfully.
Error in event callback: Data Files\MWSE\core\mwse_init.lua:88: bad argument #1 to 'pairs' (table expected, got nil)
stack traceback:
	.\Data Files\MWSE\core\event.lua:137: in function <.\Data Files\MWSE\core\event.lua:136>
	[C]: in function 'pairs'
	Data Files\MWSE\core\mwse_init.lua:88: in function 'find'
	Data Files\MWSE\mods\Diligent Defenders\main.lua:57: in function 'inBlackList'
	Data Files\MWSE\mods\Diligent Defenders\main.lua:87: in function <Data Files\MWSE\mods\Diligent Defenders\main.lua:77>
	[C]: in function 'xpcall'
	.\Data Files\MWSE\core\event.lua:150: in function 'trigger'
	.\Data Files\MWSE\core\event.lua:170: in function <.\Data Files\MWSE\core\event.lua:140>

This is repeated multiple times. Does not crash the game though, and no obvious problems noticed, though I only travelled with the Fields of Kummu lady and later summoned a skeleton minion once. Can't tell which case was logged as MWSE does not give timestamps.