[23:50:22 ERROR]: JsonNull
[23:50:22 ERROR]: com.google.gson.JsonElement.getAsString(JsonElement.java:191)
[23:50:22 ERROR]: fr.NicolasBrg.NBTeams.Utils.UI_Team.JsonObjetBouton(UI_Team.java:173)
[23:50:22 ERROR]: fr.NicolasBrg.NBTeams.Utils.UI_Team$NB_Sample_Inventory.<init>(UI_Team.java:89)
[23:50:22 ERROR]: fr.NicolasBrg.NBTeams.Teams.Admin.Inventory.Content(Inventory.java:85)
[23:50:22 ERROR]: fr.NicolasBrg.NBTeams.Teams.Admin.Inventory.Execute(Inventory.java:40)
[23:50:22 ERROR]: fr.NicolasBrg.NBTeams.NBTeams_Command.func_184881_a(NBTeams_Command.java:178)
[23:50:22 ERROR]: net.minecraft.command.CommandHandler.func_175786_a(CommandHandler.java:123)
[23:50:22 ERROR]: net.minecraft.command.CommandHandler.func_71556_a(CommandHandler.java:95)