ERROR:Object reference not set to an instance of an object

[Enhanced Ban System] at Oxide.Plugins.EnhancedBanSystem.PlayerDatabase_ExecuteBan (Oxide.Plugins.EnhancedBanSystem+BanData bandata) [0x00192] in <8455528695364314ba058d8c2b18844b>:0 at Oxide.Plugins.EnhancedBanSystem.ExecuteBan (System.Object source, Oxide.Plugins.EnhancedBanSystem+BanData bandata, System.Boolean kick) [0x0003a] in <8455528695364314ba058d8c2b18844b>:0 at Oxide.Plugins.EnhancedBanSystem.PrepareBan (System.Object source, System.String userID, System.String name, System.String ip, System.String reason, System.Double duration, System.Boolean kick) [0x0000f] in <8455528695364314ba058d8c2b18844b>:0 at Oxide.Plugins.EnhancedBanSystem.BanIP (System.Object source, System.String ip, System.String reason, System.Double duration) [0x00000] in <8455528695364314ba058d8c2b18844b>:0 at Oxide.Plugins.EnhancedBanSystem.TryBan (System.Object source, System.String[] args) [0x000ac] in <8455528695364314ba058d8c2b18844b>:0 at Oxide.Plugins.EnhancedBanSystem.cmdBan (Oxide.Core.Libraries.Covalence.IPlayer player, System.String command, System.String[] args) [0x00067] in <8455528695364314ba058d8c2b18844b>:0