https://github.com/wisp-forest/owo-lib/blob/1.19/src/main/java/io/wispforest/owo/itemgroup/OwoItemSettings.java#L31

java.lang.NoSuchMethodError: 'int io.wispforest.owo.itemgroup.OwoItemSettings.getTab()'

Seems to be caused by glisco changing the method name to conform with the other tab method within owoItemSettings, ill see about fixing such for the next update.