Prerequisites

• I am running the latest alpha version of MineColonies and Structurize for my Minecraft version.
• I checked the MineColonies/Structurize wiki and made sure my issue is not covered there.
• I made sure that this issue is not a duplicate of any existing issue.

Context

• Minecraft Version: 1.15.2
• MineColonies Version: 0.13.81
• Structurize Version: 0.13.58

Problem description

After launching Minecraft, before getting to the main menu, it tells me that an error has occurred during loading and lists the following lines:
Minecolonies (minecolonies) encountered an error during the common_setup event phase
tried to access field com.ltdteam.structurize.util.StructureLoadingUtils.originFolders from class com.minecolonies.coremod.MineColonies

Notes or related things

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Your MineColonies and Structurize versions are very old. Please update to the latest alphas for each.

Please use the latest alphas. Here, alphas aren't unstable, they're just minor releases.

I didn't realize the alphas are on the right side and not among the releases in the files section. Using the proper versions, my problem is solved. Thank you very much!