When setting the starting planet to Fulgora and also having Player Recycling mod enabled a crash on startup occurs. This only happens when Fulgora is set as the starting planet. When setting the starting planet to Vulcanus or Gleba no error occurs. I'm not sure if your mod or Player Recycling is causing the error. I figured I should tell you first because changing an option in your mod triggers the error. I'm sorry if I should have reported this to Player Recycling first.

Link to Player Recycling: https://mods.factorio.com/mod/player-recycling
I don't know how to change the url to the mod name. [url=https://mods.factorio.com/mod/player-recycling]Player Recycling[/url] doesn't work

Error below:

Failed to load mods: player-recycling/prototypes/technology.lua:169: attempt to index local 'scrap_recycling_productivity_1' (a nil value)
stack traceback:
player-recycling/prototypes/technology.lua:169: in main chunk
[C]: in function 'require'
player-recycling/data-updates.lua:3: in main chunk