Works with REP+

@simonmonkey, it seems that you are still using the old version of the mod. Please update it by resubscribing to the mod, and make sure that Steam updates the workshop content on the downloads page.

The updated version of the mod contains the following code in the main.lua file [enemy_creep_replacer_2984128853 folder]:

if etype ~= EntityType.ENTITY_EFFECT then
return nil
end


The old version caused issues like:
- The pestilence bug you described
- CHAD familiar crashing the game
- Chubbies spawning clones of themselves

ultra pestilence can summon another beast when attempting to summon the fly balls, causing screen to go white but game still running after defeating pestilence.

If you have issues with chubbies spawning multiple clones instead of a little chubber (charger enemy), it was fixed in the newest version (published on 4th, June).

You might have to force update the mod (resubcribe or delete mod folder).

Sorry about that! More details were provided in the Poison edition comment section.