вот ошибка
Executing Gradle task: runClient
Build info: MCreator 2020.2.14217, 1.12.2, 64-bit, 8174 MB, Windows 10, JVM 1.8.0_232, JAVA_HOME: D:\maxim\programs\MCreator\jdk
This mapping 'snapshot_20171003' was designed for MC 1.12! Use at your own peril.
WARNING: You are using an unsupported...