new changes from 2.5.3->2.5.4 causes crash with more Bobs.
also affected air filtering mod here: https://mods.factorio.com/mod/air-filtering-patched/discussion/5afe2c4d82f8ec000afc9e12

"bi_tech_coal_processing_1" changed to: "bi-tech-coal-processing-1"
changed underscores to hyphens.

other technologies may have been impacted/renamed as well. this is simply the first one that comes up (ie: first to trigger the error)

turning off bio-industries tweak prevents crash, but still looking for exact cause/solution

line 156 of data-final-fixes.lua within moreBobs.zip:
data.raw["technology"]["air-filtering"].prerequisites = {"plastics", "bi_tech_coal_processing_1"}

and line 160 should have it's technology reference edited as well:

replace all underscores with hyphens.

Yep, confirmed same issue, changing "bi_tech_coal_processing_1" into "bi-tech-coal-processing-1" and changing "bi_tech_coal_processing_3" into "bi-tech-coal-processing-3" fixed the issue and it loads fine now.

I am working on a new addition. I will post the modified version today. :D

Wooo! Looking forward! Thanks much!

It has been fixed! I'm sorry to be late. :)