I get this in the log file when using amecs-1.1.0+1.14.3.jar:

[18:43:00] [main/WARN]: Injection warning: LVT in net/minecraft/class_312::method_1598(JDD)V has incompatible changes at opcode 100 in callback net/minecraft/class_312::handler$onMouseScroll$zef000.

Loader
Minecraft 1.14.3
Fabric Loader 0.4.8+build.155

Mods

• Amecs (Fabric): amecs-1.1.0+1.14.3.jar
• Autofish: Autofish-0.8.4-fabric-mc1.14.jar
• Illuminations | Fireflies and fairies: illuminations-0.3.0-1.14.3.jar
• More Enchantments: MoEnchantments-1.5.8.jar
• Mouse Wheelie (Fabric): mousewheelie-1.2.4+1.14.3.jar
• Nbt Crafting (Fabric): nbtcrafting-1.2.1+1.14.3-pre2.jar
• Paper Doll: paperdoll-1.0.0.jar
• Press To Walk: presstowalk-1.0.2.jar
• Resolution Control: resolution-control-1.0.0.jar
• Roughly Enough Items: RoughlyEnoughItems-2.9.6+build.135.jar
• Stockpile: stockpile-1.0.8+1.14.3.jar
• Trees Do Not Float: tdnf-1.2.0+build.25.jar

APIs/LIBs

• Fabric API: fabric-api-0.3.0+build.188.jar
• Fabric Language Kotlin: fabric-language-kotlin-1.3.40+build.1.jar

Should be fixed now