for those that don't know, splatoon currently only works if you have Nimble installed on your Wii U. search nimble wii u on google and install it, place the 30_nimble.rpx file in /wiiu/environments/aroma/modules/setup on your sd card and splatoon should be fixed
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make sure to delete shared save data in the data settings thats linked to old spotpass servers too. NOT your actual mii's save data