java.lang.NullPointerException: Cannot invoke "Object.equals(Object)" because "school.attribute" is null
at net.spell_power.api.enchantment.SpellPowerEnchanting.relevantSchools(SpellPowerEnchanting.java:78) ~[spell_power-0.12.0+1.20.1.jar:?]
at net.spell_power.api.enchantment.SpellPowerEnchanting.relevantSchools(SpellPowerEnchanting.java:69) ~[spell_power-0.12.0+1.20.1.jar:?]
at net.spell_power.internals.SchoolFilteredEnchantment.schoolsIntersect(SchoolFilteredEnchantment.java:45) ~[spell_power-0.12.0+1.20.1.jar:?]
at net.spell_power.api.enchantment.Enchantments_SpellPower.lambda$static$0(Enchantments_SpellPower.java:75) ~[spell_power-0.12.0+1.20.1.jar:?]
at net.spell_power.api.enchantment.EnchantmentRestriction.isProhibited(EnchantmentRestriction.java:60) ~[spell_power-0.12.0+1.20.1.jar:?]
at net.minecraft.class_1887.handler$enb000$spell_power$isAcceptableItem_HEAD_SpellPower(class_1887.java:4018) ~[server-intermediary.jar:?]
at net.minecraft.class_1887.method_8192(class_1887.java) ~[server-intermediary.jar:?]
at net.minecraft.class_1890.handler$ecd000$progressivearchery$injectedGetPossibleEntries(class_1890.java:3530) ~[server-intermediary.jar:?]
at net.minecraft.class_1890.method_8229(class_1890.java) ~[server-intermediary.jar:?]
at net.minecraft.class_1890.method_8230(class_1890.java:369) ~[server-intermediary.jar:?]
at net.minecraft.class_1890.method_8233(class_1890.java:327) ~[server-intermediary.jar:?]
at net.minecraft.class_106.method_522(class_106.java:40) ~[server-intermediary.jar:?]
at net.minecraft.class_120.method_521(class_120.java:31) ~[server-intermediary.jar:?]
at net.minecraft.class_120.apply(class_120.java:20) ~[server-intermediary.jar:?]
at net.minecraft.class_131.method_595(class_131.java:65) ~[server-intermediary.jar:?]
at net.minecraft.class_117.method_514(class_117.java:14) ~[server-intermediary.jar:?]
at net.minecraft.class_77.method_433(class_77.java:33) ~[server-intermediary.jar:?]
at net.minecraft.class_85$1.method_426(class_85.java:59) ~[server-intermediary.jar:?]
at net.minecraft.class_55.method_345(class_55.java:81) ~[server-intermediary.jar:?]
at net.minecraft.class_55.method_341(class_55.java:96) ~[server-intermediary.jar:?]
at net.minecraft.class_52.method_328$mixinextras$wrapped$33(class_52.java:86) ~[server-intermediary.jar:?]
at net.minecraft.class_52.mixinextras$bridge$method_328$mixinextras$wrapped$33$34(class_52.java) ~[server-intermediary.jar:?]
at net.minecraft.class_52.wrapMethod$ebh000$porting_lib_loot$finishCollectingLoot(class_52.java:3547) ~[server-intermediary.jar:?]
at net.minecraft.class_52.method_328(class_52.java) ~[server-intermediary.jar:?]
at net.minecraft.class_52.method_320(class_52.java:103) ~[server-intermediary.jar:?]
at net.minecraft.class_52.method_319(class_52.java:116) ~[server-intermediary.jar:?]
at net.minecraft.class_52.method_329(class_52.java:136) ~[server-intermediary.jar:?]
at net.minecraft.class_2621.method_11289(class_2621.java:82) ~[server-intermediary.jar:?]
at net.minecraft.class_2621.createMenu(class_2621.java:154) ~[server-intermediary.jar:?]
at net.minecraft.class_3222.method_17355(class_3222.java:1034) ~[server-intermediary.jar:?]
at net.minecraft.class_2281.method_9534(class_2281.java:207) ~[server-intermediary.jar:?]
at net.minecraft.class_4970$class_4971.method_26174(class_4970.java:1133) ~[server-intermediary.jar:?]
at net.minecraft.class_3225.method_14262(class_3225.java:343) ~[server-intermediary.jar:?]
at net.minecraft.class_3244.method_12046(class_3244.java:1140) ~[server-intermediary.jar:?]
at net.minecraft.class_2885.method_12547(class_2885.java:34) ~[server-intermediary.jar:?]
at net.minecraft.class_2885.method_11054(class_2885.java:8) ~[server-intermediary.jar:?]
at net.minecraft.class_2600.method_11072(class_2600.java:22) ~[server-intermediary.jar:?]
at net.minecraft.class_3738.run(class_3738.java:18) ~[server-intermediary.jar:?]
at net.minecraft.class_1255.method_18859(class_1255.java:156) ~[server-intermediary.jar:?]
at net.minecraft.class_4093.method_18859(class_4093.java:23) ~[server-intermediary.jar:?]
at net.minecraft.server.MinecraftServer.method_24306(MinecraftServer.java:782) ~[server-intermediary.jar:?]
at net.minecraft.server.MinecraftServer.method_18859(MinecraftServer.java:164) ~[server-intermediary.jar:?]
at net.minecraft.class_1255.method_16075(class_1255.java:130) ~[server-intermediary.jar:?]
at net.minecraft.server.MinecraftServer.method_20415(MinecraftServer.java:764) ~[server-intermediary.jar:?]
at net.minecraft.server.MinecraftServer.method_16075(MinecraftServer.java:758) ~[server-intermediary.jar:?]
at net.minecraft.class_1255.method_5383(class_1255.java:115) ~[server-intermediary.jar:?]
at net.minecraft.server.MinecraftServer.method_16208(MinecraftServer.java:742) ~[server-intermediary.jar:?]
at net.minecraft.server.MinecraftServer.method_29741(MinecraftServer.java:675) ~[server-intermediary.jar:?]
at net.minecraft.server.MinecraftServer.method_29739(MinecraftServer.java:265) ~[server-intermediary.jar:?]
at java.lang.Thread.run(Thread.java:1583) ~[?:?]

Please provide a full log, otherwise this is non-actionable.

my bad, though i found out it was caused by hopo's better underwater ruins[1.20.1-1.20.4]-1.1.5b. hopefully that's enough as i'm removing that mod and won't be delving into this incompatibility any further. thanks for the reply