In reply to Bazzer250:
What versions of the mods did you add? Did you add the required mods for them?
In reply to K11an:
What mods do you have installed?
In reply to kalderius:
If you're looking for a mod that allows you to view schematics in the game without it placing the blocks then you can try Schematica. If your looking for a mod to export them and import them you can use World Edit.
In reply to Jim_Bo_James:
It looks like you have the default avatar.
In reply to Nitesurgeon:
It might be foam fix? Can you post the logs?
In reply to sammitch_of_baloney:
You can use the following syntax on Google. Is there any mod, in particular, you are looking for?
site:curseforge.com <Mod Name>
In reply to creater1222:
You could use one of these mods:
In reply to Zariash7:
What are your config files?
Are you using stable versions? What version are you using of Mo'Creatures and Custom Mob Spawner?
In reply to nighamte:
No the one I sent.
So the error still happens without any mods? Are you running a server?
Are you talking about this? If not try to install the one for your operating system.
What version of Minecraft are you using?
Do you have .NET Framework? If so what version?
In reply to carrollprice:
There may not be any yet for 1.14.4.