Throw an exception if `you` is empty in `resolveUser`
Throw an exception if `you` is empty in `resolveUser`

MayukhKundu/Flame-Savior,Extradeath/psserver,Alpha-Devs/OmegaRuby-Server,theodelhay/test,superman8900/Pokemon-Showdown,Kevinxzllz/PS-Openshift-Server,abrulochp/Dropp-Pokemon-Showdown,Bryan-0/Pokemon-Showdown,LightningStormServer/Lightning-Storm,RustServer/Pokemon-Showdown,InvalidDN/Pokemon-Showdown,xfix/Pokemon-Showdown,Wando94/Spite,hayleysworld/asdfasdf,ZeroParadox/BlastBurners,svivian/Pokemon-Showdown,Flareninja/Hispano-Pokemon-Showdown,ZeroParadox/BlastBurners,Atwar/http-server-femalehq.rhcloud.com-80.psim.us-,SkyeTheFemaleSylveon/Pokemon-Showdown,ScottehMax/Pokemon-Showdown,Lauc1an/Perulink-Showdown,hayleysworld/serenity,MeliodasBH/Articuno-Land,SerperiorBae/Bae-Showdown-2,Pikachuun/Joimmon-Showdown,TheManwithskills/New-boiler-test,lFernanl/Lumen-Pokemon-Showdown,Raina4uberz/Light-server,javi501/Lumen-Pokemon-Showdown,iFaZe/SliverX,Darkshadow6/PokeMoon-Creation,AustinXII/Pokemon-Showdown,Lord-Haji/SpacialGaze,kuroscafe/Paradox,AWailOfATail/Pokemon-Showdown,Tesarand/Pokemon-Showdown,FakeSloth/Infinite,MayukhKundu/Technogear-Final,Zipzapadam/Server,theodelhay/test,SerperiorBae/Bae-Showdown-2,InvalidDN/Pokemon-Showdown,Wando94/Pokemon-Showdown,aakashrajput/Pokemon-Showdown,Adithya4Uberz/The-Tsunami-League,ScottehMax/Pokemon-Showdown,ZeroParadox/ugh,EienSeiryuu/Pokemon-Showdown,Kill-The-Noise/BlakJack-Boilerplate,MayukhKundu/Flame-Savior,Hopenub/Pokemon-Showdown,hayleysworld/harmonia,NoahVSGamingYT/Pokemon-Showdown,gustavo515/gashoro,abrulochp/Dropp-Pokemon-Showdown,megaslowbro1/Pokemon-Showdown-Server-for-megaslowbro1,Psyientist/Showdown-Boilerplate,sirDonovan/Pokemon-Showdown,Ransei1/Alt,Flareninja/Sora,KewlStatics/Alliance,Pikachuun/Touhoumon-Showdown,AWailOfATail/Pokemon-Showdown,kupochu/Pokemon-Showdown,megaslowbro1/Showdown-Server-again,CreaturePhil/Showdown-Boilerplate,Darkshadow6/PokeMoon-Creation,Irraquated/Pokemon-Showdown,scotchkorean27/Pokemon-Showdown,DarkSuicune/Kakuja-2.0,TheManwithskills/Dusk--Showdown,hayleysworld/serenityserver,hayleysworld/Pokemon-Showdown,Flareninja/Lumen-Pokemon-Showdown,BuzzyOG/Pokemon-Showdown,Ecuacion/Pokemon-Showdown,johtooo/PS,gustavo515/test,LightningStormServer/Lightning-Storm,abulechu/Dropp-Pokemon-Showdown,CharizardtheFireMage/Showdown-Boilerplate,ZeroParadox/ugh,Pikachuun/Pokemon-Showdown-SMCMDM,Parukia/Pokemon-Showdown,xfix/Pokemon-Showdown,megaslowbro1/Pokemon-Showdown,gustavo515/batata,SolarisFox/Pokemon-Showdown,BuzzyOG/Pokemon-Showdown,sama2/Universe-Pokemon-Showdown,hayleysworld/harmonia,UniversalMan12/Universe-Server,Oiawesome/DPPtServ2,piiiikachuuu/Pokemon-Showdown,TheFenderStory/Pokemon-Showdown,ehk12/coregit,Kenny-/Pokemon-Showdown,AvinashSwaminathan/lotus-v3,AWailOfATail/Pokemon-Showdown,Neosweiss/Pokemon-Showdown,MayukhKundu/Mudkip-Server,KewlStatics/Pokeindia-Codes,AvinashSwaminathan/Pokelegends,panpawn/Pokemon-Showdown,hayleysworld/Showdown-Boilerplate,Yggdrasil-League/Yggdrasil,Pablo000/aaa,urkerab/Pokemon-Showdown,comedianchameleon/servertest1,Atwar/server-epilogueleague.rhcloud.com,SkyeTheFemaleSylveon/Mudkip-Server,TheManwithskills/Creature-phil-boiler,TheDiabolicGift/Lumen-Pokemon-Showdown,comedianchameleon/test,ShowdownHelper/Saffron,HoeenCoder/SpacialGaze,SerperiorBae/Bae-Showdown,TheManwithskills/Server---Thermal,JellalTheMage/PS-,MayukhKundu/Technogear,Extradeath/advanced,megaslowbro1/Showdown-Server-again,TheDiabolicGift/Lumen-Pokemon-Showdown,Darkshadow6/git-remote-add-scalingo-git-scalingo.com-pokemoonforums,Lord-Haji/SpacialGaze,MasterFloat/Pokemon-Showdown,PS-Spectral/Spectral,LegendBorned/PS-Boilerplate,Lord-Haji/SpacialGaze,PrimalGallade45/Dropp-Pokemon-Showdown,forbiddennightmare/Pokemon-Showdown-1,Flareninja/Showdown-Boilerplate,AWailOfATail/awoat,hayleysworld/asdfasdf,azum4roll/Pokemon-Showdown,cadaeic/Pokemon-Showdown,DesoGit/TsunamiPS,yashagl/pokecommunity,EienSeiryuu/Pokemon-Showdown,jumbowhales/Pokemon-Showdown,DarkSuicune/Pokemon-Showdown,Ridukuo/Test2,Neosweiss/Pokemon-Showdown,Yggdrasil-League/Yggdrasil,AbsolitoSweep/Absol-server,abrulochp/Lumen-Pokemon-Showdown,Guernouille/Pokemon-Showdown,Alpha-Devs/Alpha-Server,PS-Spectral/Spectral,svivian/Pokemon-Showdown,CorruptedHelix/Pokemon-Showdown,Volcos/SpacialGaze,sirDonovan/Pokemon-Showdown,CorruptedHelix/Pokemon-Showdown,brettjbush/Pokemon-Showdown,Breakfastqueen/advanced,AustinXII/Pokemon-Showdown,kotarou3/Krister-Pokemon-Showdown,MayukhKundu/Pokemon-Domain,ZestOfLife/PSserver,sama2/Viridian-Pokemon-Showdown,MeliodasBH/Articuno-Land,Gold-Solox/Pokemon-Showdown,gustavo515/final,Syurra/Pokemon-Showdown,lAlejandro22/lolipoop,KaitoV4X/Showdown,aakashrajput/Pokemon-Showdown,SerperiorBae/Bae-Showdown,SolarisFox/Pokemon-Showdown,JennyPRO/Jenny,zek7rom/SpacialGaze,Firestatics/Firestatics46,SSJGVegito007/Vegito-s-Server,KaitoV4X/Showdown,TbirdClanWish/Pokemon-Showdown,Flareninja/Pokemon-Showdown,Alpha-Devs/Alpha-Server,aakashrajput/Pokemon-Showdown,hayleysworld/serenityc9,Atwar/ServerClassroom,ZestOfLife/FestiveLife,PrimalGallade45/Dropp-Pokemon-Showdown,Wando94/Spite,JellalTheMage/Jellals-Server,gustavo515/test,urkerab/Pokemon-Showdown,CreaturePhil/Pokemon-Showdown,SerperiorBae/BaeShowdown,k3naan/Pokemon-Showdown,ZestOfLife/PSserver,asdfghjklohhnhn/Pokemon-Showdown,Firestatics/Omega-Alpha,HoeenCoder/SpacialGaze,Darkshadow6/git-remote-add-scalingo-git-scalingo.com-pokemoonforums,FakeSloth/wulu,Mystifi/Exiled,yashagl/pokemon,forbiddennightmare/Pokemon-Showdown-1,iFaZe/SilverZ,Pikachuun/Pokemon-Showdown-SMCMDM,KewlStatics/Shit,AnaRitaTorres/Pokemon-Showdown,Vacate/Pokemon-Showdown,svivian/Pokemon-Showdown,Guernouille/Pokemon-Showdown,hayleysworld/serenityserver,Ridukuo/Test,TheManwithskills/Server-2,TbirdClanWish/Pokemon-Showdown,RustServer/Pokemon-Showdown,catanatron/pokemon-rebalance,ehk12/bigbangtempclone,TheManwithskills/serenity,Firestatics/Omega-Alpha,bai2/Dropp,svivian/Pokemon-Showdown,psnsVGC/Wish-Server,yashagl/yash-showdown,Ecuacion/Pokemon-Showdown,BasedGod7/PH,LustyAsh/EOS-Master,Parukia/Pokemon-Showdown,QuiteQuiet/Pokemon-Showdown,sama2/Viridian-Pokemon-Showdown,azum4roll/Pokemon-Showdown,KewlStatics/Pokeindia-Codes,urkerab/Pokemon-Showdown,Elveman/RPCShowdownServer,Pokemon-Devs/Pokemon-Showdown,MayukhKundu/Mudkip-Server,xfix/Pokemon-Showdown,Firestatics/Firestatics46,DesoGit/TsunamiPS,Extradeath/advanced,AustinXII/Pokemon-Showdown,jd4564/Pokemon-Showdown,TheManwithskills/Dusk--Showdown,SerperiorBae/BaeShowdown,SerperiorBae/Pokemon-Showdown-1,LustyAsh/EOS-Master,gustavo515/final,MayukhKundu/Technogear,Chespin14/Custom-Platform-Pokemon-Showdown,danpantry/Pokemon-Showdown,Evil-kun/Pokemon-Showdown,TheManwithskills/COC,Flareninja/Showdown-Boilerplate,ankailou/Pokemon-Showdown,Sora-Server/Sora,abulechu/Lumen-Pokemon-Showdown,Breakfastqueen/advanced,JennyPRO/Jenny,DesoGit/Tsunami_PS,Psyientist/Showdown-Boilerplate,SilverTactic/Showdown-Boilerplate,TheFenderStory/Pokemon-Showdown,Flareninja/Hispano-Pokemon-Showdown,SerperiorBae/BaeShowdown,SerperiorBae/Pokemon-Showdown,Thiediev/Pokemon-Showdown,DarkSuicune/Kakuja-2.0,FakeSloth/Infinite,HoeenCoder/SpacialGaze,Irraquated/EOS-Master,TheManwithskills/Server-2,TheManwithskills/Server---Thermal,Legit99/Lightning-Storm-Server,kotarou3/Krister-Pokemon-Showdown,KewlStatics/Showdown-Template,kubetz/Pokemon-Showdown,SilverTactic/Dragotica-Pokemon-Showdown,JellalTheMage/PS-,lFernanl/Zero-Pokemon-Showdown,yashagl/yash-showdown,Breakfastqueen/advanced,Kill-The-Noise/BlakJack-Boilerplate,MayukhKundu/Technogear-Final,TheDiabolicGift/Showdown-Boilerplate,Hidden-Mia/Roleplay-PS,kubetz/Pokemon-Showdown,gustavo515/batata,kuroscafe/Showdown-Boilerplate,Tesarand/Pokemon-Showdown,Fusxfaranto/Pokemon-Showdown,Hidden-Mia/Roleplay-PS,hayleysworld/Pokemon-Showdown,BadSteel/Pokemon-Showdown,anubhabsen/Pokemon-Showdown,MasterFloat/Pokemon-Showdown,Stroke123/POKEMON,sama2/Lumen-Pokemon-Showdown,comedianchameleon/test,Sora-League/Sora,SilverTactic/Pokemon-Showdown,anubhabsen/Pokemon-Showdown,SerperiorBae/Bae-Showdown,Sora-League/Sora,Flareninja/Pokemon-Showdown-1,Mystifi/Exiled,ehk12/coregit,TheManwithskills/Server,Pikachuun/Joimmon-Showdown,MasterFloat/LQP-Server-Showdown,xfix/Pokemon-Showdown,Darkshadow6/git-remote-add-scalingo-git-scalingo.com-pokemoonforums,jumbowhales/Pokemon-Showdown,Sora-Server/Sora,Kokonoe-san/Glacia-PS,ankailou/Pokemon-Showdown,Firestatics/omega,cadaeic/Pokemon-Showdown,KewlStatics/Showdown-Template,brettjbush/Pokemon-Showdown,DB898/theregalias,k3naan/Pokemon-Showdown,abrulochp/Lumen-Pokemon-Showdown,danpantry/Pokemon-Showdown,Sora-League/Sora,Mystifi/Exiled,ShowdownHelper/Saffron,TheManwithskills/DS,SerperiorBae/Bae-Showdown-2,Git-Worm/City-PS,Flareninja/Pokemon-Showdown-1,Ransei1/Alt,Atwar/server-epilogueleague.rhcloud.com,Legendaryhades/Oblivion,Kokonoe-san/Glacia-PS,CharizardtheFireMage/Showdown-Boilerplate,Irraquated/EOS-Master,scotchkorean27/Pokemon-Showdown,ehk12/clone,PauLucario/LQP-Server-Showdown,EmmaKitty/Pokemon-Showdown,BlakJack/Kill-The-Noise,gustavo515/gashoro,BadSteel/Omega-Pokemon-Showdown,LightningStormServer/Lightning-Storm,SerperiorBae/Pokemon-Showdown-1,Pablo000/aaa,DesoGit/Tsunami_PS,TheManwithskills/COC,panpawn/Gold-Server,Luobata/Pokemon-Showdown,SilverTactic/Showdown-Boilerplate,SerperiorBae/PokemonShowdown2,kuroscafe/Showdown-Boilerplate,SkyeTheFemaleSylveon/Pokemon-Showdown,AvinashSwaminathan/lotus,Legit99/Lightning-Storm-Server,DalleTest/Pokemon-Showdown,lFernanl/Mudkip-Server,LegendBorned/PS-Boilerplate,zczd/enculer,Zipzapadam/Server,EmmaKitty/Pokemon-Showdown,TheFenderStory/Showdown-Boilerplate,JellalTheMage/Jellals-Server,Bryan-0/Pokemon-Showdown,TheManwithskills/serenity,lAlejandro22/lolipoop,Kill-The-Noise/BlakJack-Boilerplate,lFernanl/Pokemon-Showdown,SSJGVegito007/Vegito-s-Server,xCrystal/Pokemon-Showdown,johtooo/PS,yashagl/pokemon-showdown,DalleTest/Pokemon-Showdown,Articuno-I/Pokemon-Showdown,Darkshadow6/PokeMoon-Creation,MeliodasBH/boarhat,panpawn/Gold-Server,DarkSuicune/Pokemon-Showdown,TheDiabolicGift/Showdown-Boilerplate,TheManwithskills/DS,Celecitia/Plux-Pokemon-Showdown,abulechu/Lumen-Pokemon-Showdown,Enigami/Pokemon-Showdown,sama2/Dropp-Pokemon-Showdown,Zarel/Pokemon-Showdown,VoltStorm/Server-pokemon-showdown,Oiawesome/DPPtServ2,xCrystal/Pokemon-Showdown,comedianchameleon/test,psnsVGC/Wish-Server,Checkinator/Pokemon-Showdown,yashagl/pokemon-showdown,jd4564/Pokemon-Showdown,miahjennatills/Pokemon-Showdown,BuzzyOG/Pokemon-Showdown,Irraquated/Showdown-Boilerplate,MayukhKundu/Pokemon-Domain,piiiikachuuu/Pokemon-Showdown,asdfghjklohhnhn/Pokemon-Showdown,PS-Spectral/Spectral,Ridukuo/Test2,Lauc1an/Perulink-Showdown,AWailOfATail/awoat,Enigami/Pokemon-Showdown,SilverTactic/Dragotica-Pokemon-Showdown,SubZeroo99/Pokemon-Showdown,Arcticblast/Pokemon-Showdown,Volcos/SpacialGaze,Nineage/Showdown-Boilerplate,Vacate/Pokemon-Showdown,Irraquated/Pokemon-Showdown,megaslowbro1/Pokemon-Showdown,lFernanl/Lumen-Pokemon-Showdown,UniversalMan12/Universe-Server,hayleysworld/serenityc9,SerperiorBae/Pokemon-Showdown,ehk12/bigbangtempclone,DesoGit/Tsunami_PS,Alpha-Devs/OmegaRuby-Server,Git-Worm/City-PS,lFernanl/Pokemon-Showdown,Evil-kun/Pokemon-Showdown,PrimalGallade45/Lumen-Pokemon-Showdown,SerperiorBae/Pokemon-Showdown-1,Gold-Solox/Pokemon-Showdown,Johto-Serverr/Werfin-Boilerplate,BlazingAura/Showdown-Boilerplate,AvinashSwaminathan/lotus-v2,Adithya4Uberz/The-Tsunami-League,Irraquated/Showdown-Boilerplate,MeliodasBH/boarhat,Werfin96/Ultimate,CreaturePhil/Showdown-Boilerplate,abulechu/Dropp-Pokemon-Showdown,KewlStatics/Alliance,arkanox/MistShowdown,CrestfallPS/Pokemon-Showdown,Pikachuun/Pokemon-Showdown,SkyeTheFemaleSylveon/Mudkip-Server,Extradeath/psserver,TheManwithskills/New-boiler-test,Flareninja/Sora,Kevinxzllz/PS-Openshift-Server,ShowdownHelper/Saffron,TheManwithskills/Server,hayleysworld/serenity,ZestOfLife/FestiveLife,kuroscafe/Paradox,xCrystal/Pokemon-Showdown,comedianchameleon/servertest1,Pikachuun/Pokemon-Showdown,Flareninja/Lumen-Pokemon-Showdown,bai2/Dropp,Checkinator/Pokemon-Showdown,Nineage/Origin,kupochu/Pokemon-Showdown,arkanox/MistShowdown,SerperiorBae/Pokemon-Showdown,AnaRitaTorres/Pokemon-Showdown,TheManwithskills/Server-2,lFernanl/Zero-Pokemon-Showdown,Ecuacion/Lumen-Pokemon-Showdown,TheManwithskills/Creature-phil-boiler,Adithya4Uberz/KTN,CreaturePhil/Pokemon-Showdown,sama2/Universe-Pokemon-Showdown,yashagl/pokemon,ehk12/clone,Pokemon-Devs/Pokemon-Showdown,PrimalGallade45/Lumen-Pokemon-Showdown,NoahVSGamingYT/Pokemon-Showdown,Flareninja/Pokemon-Showdown,CreaturePhil/Showdown-Boilerplate,xfix/Pokemon-Showdown,sama2/Lumen-Pokemon-Showdown,Stroke123/POKEMON,QuiteQuiet/Pokemon-Showdown,Articuno-I/Pokemon-Showdown,miahjennatills/Pokemon-Showdown,PauLucario/LQP-Server-Showdown,Zarel/Pokemon-Showdown,superman8900/Pokemon-Showdown,TogeSR/Lumen-Pokemon-Showdown,UniversalMan12/Universe-Server,sama2/Dropp-Pokemon-Showdown,Disaster-Area/Pokemon-Showdown,MasterFloat/LQP-Server-Showdown,javi501/Lumen-Pokemon-Showdown,Firestatics/omega,TogeSR/Lumen-Pokemon-Showdown,Elveman/RPCShowdownServer,SubZeroo99/Pokemon-Showdown,Ridukuo/Test,Atwar/http-server-femalehq.rhcloud.com-80.psim.us-,hayleysworld/Showdown-Boilerplate,Celecitia/Plux-Pokemon-Showdown,HoeenCoder/SpacialGaze,HoeenKid/Pokemon-Showdown-Johto,lFernanl/Mudkip-Server,Irraquated/Pokemon-Showdown,BlazingAura/Showdown-Boilerplate,AbsolitoSweep/Absol-server,panpawn/Pokemon-Showdown,Ecuacion/Lumen-Pokemon-Showdown,Parukia/Pokemon-Showdown,QuiteQuiet/Pokemon-Showdown,Sora-Server/Sora,SerperiorBae/PokemonShowdown2,DB898/theregalias,sirDonovan/Pokemon-Showdown,zek7rom/SpacialGaze,Syurra/Pokemon-Showdown,megaslowbro1/Pokemon-Showdown-Server-for-megaslowbro1,Disaster-Area/Pokemon-Showdown,yashagl/pokecommunity,TheFenderStory/Showdown-Boilerplate,Enigami/Pokemon-Showdown,zczd/enculer,Wando94/Pokemon-Showdown,Enigami/Pokemon-Showdown,Nineage/Origin,Flareninja/Sora,KewlStatics/Shit,svivian/Pokemon-Showdown,Raina4uberz/Light-server,panpawn/Gold-Server,Atwar/ServerClassroom,SilverTactic/Pokemon-Showdown,catanatron/pokemon-rebalance,jumbowhales/Pokemon-Showdown,Zarel/Pokemon-Showdown,Tesarand/Pokemon-Showdown