com.google.gson.JsonSyntaxException: Unknown type 'forge:loot_table_id'
at net.minecraft.class_5330$class_5333.deserialize(class_5330.java:99)
at com.google.gson.internal.bind.TreeTypeAdapter.read(TreeTypeAdapter.java:76)
at com.google.gson.internal.bind.TypeAdapterRuntimeTypeWrapper.read(TypeAdapterRuntimeTypeWrapper.java:40)
at com.google.gson.internal.bind.ArrayTypeAdapter.read(ArrayTypeAdapter.java:72)
at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$1.readIntoField(ReflectiveTypeAdapterFactory.java:212)
at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$FieldReflectionAdapter.readField(ReflectiveTypeAdapterFactory.java:431)
at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.read(ReflectiveTypeAdapterFactory.java:391)
at com.google.gson.Gson.fromJson(Gson.java:1214)
at com.google.gson.Gson.fromJson(Gson.java:1124)
at com.google.gson.Gson.fromJson(Gson.java:1034)
at com.google.gson.Gson.fromJson(Gson.java:969)
at com.focamacho.ringsofascension.RingsOfAscension.loadModifiers(RingsOfAscension.java:125)
at com.focamacho.ringsofascension.RingsOfAscension.lambda$onInitialize$5(RingsOfAscension.java:83)
at net.fabricmc.fabric.api.loot.v2.LootTableEvents.lambda$static$2(LootTableEvents.java:88)
at net.minecraft.class_60.mda0303f$fabric-loot-api-v2$lambda$applyLootTableEvents$1$0(class_60.java:591)
at com.google.common.collect.RegularImmutableMap.forEach(RegularImmutableMap.java:292)
at net.minecraft.class_60.applyLootTableEvents(class_60.java:564)
at net.minecraft.class_60.mda0303f$fabric-loot-api-v2$lambda$reload$0$1(class_60.java:555)
at java.base/java.util.concurrent.CompletableFuture$UniRun.tryFire(CompletableFuture.java:787)
at java.base/java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:510)
at java.base/java.util.concurrent.CompletableFuture.postFire(CompletableFuture.java:614)
at java.base/java.util.concurrent.CompletableFuture$UniAccept.tryFire(CompletableFuture.java:726)
at java.base/java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:482)
at net.minecraft.class_4014.method_18365(class_4014.java:69)
at net.minecraft.class_1255.method_18859(class_1255.java:156)
at net.minecraft.class_4093.method_18859(class_4093.java:23)
at net.minecraft.class_1255.method_16075(class_1255.java:130)
at net.minecraft.class_1255.method_18857(class_1255.java:139)
at net.minecraft.class_525.method_31130(class_525.java:352)
at net.minecraft.class_526.method_19944(class_526.java:60)
at net.minecraft.class_4185.method_25306(class_4185.java:94)
at net.minecraft.class_4264.method_25348(class_4264.java:56)
at net.minecraft.class_339.method_25402(class_339.java:189)
at net.minecraft.class_4069.method_25402(class_4069.java:38)
at net.minecraft.class_312.method_1611(class_312.java:98)
at net.minecraft.class_437.method_25412(class_437.java:409)
at net.minecraft.class_312.method_1601(class_312.java:98)
at net.minecraft.class_312.method_22686(class_312.java:169)
at net.minecraft.class_1255.execute(class_1255.java:102)
at net.minecraft.class_312.method_22684(class_312.java:169)
at org.lwjgl.glfw.GLFWMouseButtonCallbackI.callback(GLFWMouseButtonCallbackI.java:43)
at org.lwjgl.system.JNI.invokeV(Native Method)
at org.lwjgl.glfw.GLFW.glfwWaitEventsTimeout(GLFW.java:3474)
at com.mojang.blaze3d.systems.RenderSystem.limitDisplayFPS(RenderSystem.java:237)
at net.minecraft.class_310.method_1523(class_310.java:1244)
at net.minecraft.class_310.method_1514(class_310.java:802)
at net.minecraft.client.main.Main.main(Main.java:250)
at net.fabricmc.loader.impl.game.minecraft.MinecraftGameProvider.launch(MinecraftGameProvider.java:468)
at net.fabricmc.loader.impl.launch.knot.Knot.launch(Knot.java:74)
at net.fabricmc.loader.impl.launch.knot.KnotClient.main(KnotClient.java:23)

Thanks for the report. Should be fixed in the latest version of the mod!
The file got under manual review on CurseForge for some reason but it is already available on modrinth: https://modrinth.com/mod/rings-of-ascension/version/2.0.2