has anyone tried combining zone manager and timed execute? do i need to set any permissions? what i'm trying to do is use timed execute to change zone flags but experiencing permissione rrors.

Failed to call hook 'ccmdZone' on plugin 'ZoneManager v3.0.16' (NullReferenceException: Object reference not set to an instance of an object) at Oxide.Plugins.ZoneManager.HasPermission (ConsoleSystem+Arg arg, System.String permname) [0x00006] in <747930c4e2bf4512820136ff9140fbac>:0
at Oxide.Plugins.ZoneManager.ccmdZone (ConsoleSystem+Arg arg) [0x00000] in <747930c4e2bf4512820136ff9140fbac>:0
at Oxide.Plugins.ZoneManager.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x03aad] in <747930c4e2bf4512820136ff9140fbac>:0
at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <80b90e8213db44b29ec2d4111764172c>:0
at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in <ec05e0208c9149bba43236ca58fea105>:0
at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <ec05e0208c9149bba43236ca58fea105>:0