Is there an existing issue for this?

• I have searched the existing issues.

Are you using the latest MineColonies Version?

• I am running the latest beta/release version of MineColonies for my Minecraft version.
  I am also running the latest versions of other mods that are part of my problem.

Did you check on the Wiki? or ask on Discord?

• I checked the MineColonies Wiki and made sure my issue is not covered there. Or I was sent from discord to open an issue here.

What were you playing at the time? Were you able to reproduce it in both settings?

• Single Player
• Multi Player

Minecraft Version

1.21

MineColonies Version

1.1.1020

Structurize Version

1.0.779

Related Mods and their Versions

No response

Current Behavior

I am just start

Expected Behavior

The Java declaration of mod conflicts

Reproduction Steps

1.just start
2.Unable to start

Logs

https://gist.github.com/X-pie/ba8918a9816f4fa463bc1b53d4d5674a

Anything else?

No response

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i solve this question by changing Launcher.because i find that (Epic Knights: Shields, Armor and Weapons)mod don't run on pcl(version:>2.10.0),then i return pcl back to 2.10.0.I make it.