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My games output log has 9,880 lines of "Tried to spawn Plasteel56389884 in a null map."
https://gist.github.com/HugsLibRecordKeeper/65f3871cf48c4b65f23f247a0165f590
I have no idea why this is occurring but it is causing my game to freeze every 2 seconds

I closed the game a few hours ago, and started playing again a couple minutes ago. However now I receive massive lag spikes every 2 seconds, they speed up when I see the time up. This had not happened on the very same save game earlier today. I checked the debug log in dev mode and have the log was flooded with the same message https://gyazo.com/cbd4e4ce08c542f9499cfe1a93295212
I cleared the log and immediately the log is filled to the max with the same message. After clearing the log once the messages changed to
https://gyazo.com/95fcf1b82b4b6f7eccf51858baff900e
Anyone know the solution and or cause?
I am playing with mods, however nothing changed between my last session and my current session other than the lag.