Error in console when players throw signals

Exception while calling NextTick callback (ArgumentNullException: Value cannot be null. Parameter name: key) at System.Collections.Generic.Dictionary`2[TKey,TValue].FindEntry (TKey key) [0x00008] in <8ce0bd04a7a04b4b9395538239d3fdd8>:0 at System.Collections.Generic.Dictionary`2[TKey,TValue].get_Item (TKey key) [0x00000] in <8ce0bd04a7a04b4b9395538239d3fdd8>:0 at Oxide.Plugins.BradleyDrops.BradleySignalThrown (BasePlayer player, SupplySignal entity, Item signal) [0x0005b] in <ba2a3f0123a14f919d3678520cbdb0ea>:0 at Oxide.Plugins.BradleyDrops+<>c__DisplayClass39_0.<OnExplosiveThrown>b__0 () [0x00000] in <ba2a3f0123a14f919d3678520cbdb0ea>:0 at Oxide.Core.OxideMod.OnFrame (System.Single delta) [0x00051] in <beb2b64691c64e2b95b99491bd85442c>:0

this happens when players use the signals, but when admin test it works perfectly fine. can you diagnose?

ive watched the players throw it, then this error pop into console as soon as the smoke is supposed to start, but nothing happens.

Changed Status from Pending to Work in Progress

Changed Status from Work in Progress to Closed

Changed Fixed In to 1.1.14