NullReferenceException

Good afternoon, while searching for an oil well, we get :

Exception while calling NextTick callback (NullReferenceException: Object reference not set to an instance of an object)
  at Oxide.Plugins.BackPumpJack+MiningSettings.RefillResourceDeposit (ResourceDepositManager+ResourceDeposit deposit) [0x0007f] in <845a50e2a3b44b238c5695b24f2527a9>:0
  at Oxide.Plugins.BackPumpJack+<ModifyResourceDeposit>c__AnonStorey0.<>m__0 () [0x001c6] in <845a50e2a3b44b238c5695b24f2527a9>:0  5kb/s in, 26kb/s out
  at Oxide.Core.OxideMod.OnFrame (System.Single delta) [0x00051] in <157a94ee66ab4a7991faecd1eb84be3b>:0

I think this error message is related to something wrong in the configuration file
Please upload your configuration file for the plugin.

Iq21dlQIlYnlQTl.jpg Lorenzo

I think this error message is related to something wrong in the configuration file
Please upload your configuration file for the plugin.

Good afternoon, you were right. Thank you.