This happens often now in my server. You start building a base then all of a sudden part of the base become un-upgradable and some times you cant build walls of foundations in places that are perfect for them. Last time it happened to me when i lined my walls with furncaes then tried to upgrade the base from metal to hqm and all the foundations with furncaes would not let me upgrade. 


12:57 [Error] Failed to call hook 'OnEntityDeath' on plugin 'MagicTeleportation v1.1.3' (NullReferenceException: Object reference not set to an instance of an object)
at Oxide.Plugins.MagicTeleportation.OnHomeEntityDeath (BaseCombatEntity entity, HitInfo info) [0x00000] in <7eaf02d242a74d27ac4ac7279c780593>:0

at Oxide.Plugins.MagicTeleportation.OnEntityDeath (BaseCombatEntity entity, HitInfo info) [0x0006d] in <7eaf02d242a74d27ac4ac7279c780593>:0

at Oxide.Plugins.MagicTeleportation.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x0079f] in <7eaf02d242a74d27ac4ac7279c780593>:0

at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <9affce1cd15c4ec183941adef8db1722>:0

at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in <4452f821def6406d834e4149849fe7ea>:0

at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <4452f821def6406d834e4149849fe7ea>:0

12:57 [Error] Failed to call hook 'OnEntityDeath' on plugin 'MagicTeleportation v1.1.3' (NullReferenceException: Object reference not set to an instance of an object)
at Oxide.Plugins.MagicTeleportation.OnHomeEntityDeath (BaseCombatEntity entity, HitInfo info) [0x00000] in <7eaf02d242a74d27ac4ac7279c780593>:0

at Oxide.Plugins.MagicTeleportation.OnEntityDeath (BaseCombatEntity entity, HitInfo info) [0x0006d] in <7eaf02d242a74d27ac4ac7279c780593>:0

at Oxide.Plugins.MagicTeleportation.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x0079f] in <7eaf02d242a74d27ac4ac7279c780593>:0

at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <9affce1cd15c4ec183941adef8db1722>:0

at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in <4452f821def6406d834e4149849fe7ea>:0

at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <4452f821def6406d834e4149849fe7ea>:0