Crash when opening Wandering Trader menu

[InsaanNotFound]

[15:45:24] [Render thread/ERROR]: Unreported exception thrown!
java.lang.NullPointerException: Cannot invoke "net.minecraft.server.MinecraftServer.method_30611()" because the return value of "net.minecraft.class_1297.method_5682()" is null
	at Not Enough Crashes deobfuscated stack trace.(1.19.2+build.8) ~[?:?]
	at eu.pb4.biometech.entity.BTradeOffers$1.create(BTradeOffers.java:25) ~[biometech-0.1.0.jar:?]
	at net.minecraft.entity.passive.WanderingTraderEntity.handler$bde000$biometech$addTrades(WanderingTraderEntity:525) ~[?:?]
	at net.minecraft.entity.passive.WanderingTraderEntity.fillRecipes(WanderingTraderEntity:135) ~[?:?]
	at net.minecraft.entity.passive.MerchantEntity.getOffers(MerchantEntity:115) ~[?:?]
	at net.minecraft.entity.passive.WanderingTraderEntity.interactMob(WanderingTraderEntity:103) ~[?:?]
	at net.minecraft.entity.mob.MobEntity.interact(MobEntity:1135) ~[?:?]
	at net.minecraft.entity.player.PlayerEntity.interact(PlayerEntity:1097) ~[?:?]
	at net.minecraft.client.network.ClientPlayerInteractionManager.interactEntity(ClientPlayerInteractionManager:423) ~[?:?]
	at net.minecraft.client.MinecraftClient.doItemUse(MinecraftClient:1733) ~[?:?]
	at net.minecraft.client.MinecraftClient.redirect$bai000$onDoItemUse(MinecraftClient:8016) ~[?:?]
	at net.minecraft.client.MinecraftClient.handleInputEvents(MinecraftClient:2002) ~[?:?]
	at net.minecraft.client.MinecraftClient.tick(MinecraftClient:1829) ~[?:?]
	at net.minecraft.client.MinecraftClient.render(MinecraftClient:1135) ~[?:?]
	at net.minecraft.client.MinecraftClient.run(MinecraftClient:768) ~[?:?]
	at net.minecraft.client.main.Main.main(Main:244) [client-intermediary.jar:?]
	at net.minecraft.client.main.Main.main(Main:51) [client-intermediary.jar:?]
	at net.fabricmc.loader.impl.game.minecraft.MinecraftGameProvider.launch(MinecraftGameProvider.java:461) [fabric-loader-0.14.9.jar:?]
	at net.fabricmc.loader.impl.launch.knot.Knot.launch(Knot.java:74) [fabric-loader-0.14.9.jar:?]
	at net.fabricmc.loader.impl.launch.knot.KnotClient.main(KnotClient.java:23) [fabric-loader-0.14.9.jar:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:568) ~[?:?]
	at org.multimc.onesix.OneSixLauncher.launchWithMainClass(OneSixLauncher.java:210) [NewLaunch.jar:?]
	at org.multimc.onesix.OneSixLauncher.launch(OneSixLauncher.java:245) [NewLaunch.jar:?]
	at org.multimc.EntryPoint.listen(EntryPoint.java:143) [NewLaunch.jar:?]
	at org.multimc.EntryPoint.main(EntryPoint.java:34) [NewLaunch.jar:?]