Need help urgent :)

[ChairmanZero]

java.lang.RuntimeException: Missing accessWidener file emc.accesswidener from mod emc
at net.fabricmc.loader.impl.FabricLoaderImpl.loadAccessWideners(FabricLoaderImpl.java:475)
at net.fabricmc.loader.impl.launch.knot.Knot.init(Knot.java:151)
at net.fabricmc.loader.impl.launch.knot.Knot.launch(Knot.java:68)
at net.fabricmc.loader.impl.launch.knot.KnotClient.main(KnotClient.java:23)

it says I'm missing something, i don't know what

[Dyiing]

This doesn't provide any useful information, you need to include the entire log file. Use https://paste.ee