There seems to be references to now obsolete methods.

Is there any chance for a fix?

***the full error I get regarding the mod.

[23:19:01.571] [1] [ Info] [Eco] >>> START EcoServer, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
[23:19:01.597] [1] [ Info] [Eco] [Eco Server 0.9.1.1 beta release-107]

[23:19:01.647] [5] [ Info] [Eco] [Starting [PerformancePlugin]]...
[23:19:01.647] [5] [ Info] [Eco] [Server Initialization]...
[23:19:02.148] [5] [ Info] [Eco] Starting LocalizationPlugin...
[23:19:02.198] [5] [ Info] [Eco] Starting DifficultySettings...
[23:19:02.202] [5] [ Info] [Eco] Loading mods...
[23:19:11.628] [1] [ Info] [Eco] Mods recompiled with warnings.

[23:19:11.636] [1] [ Info] [Eco] Mods recompiled with errors.

[23:19:11.636] [1] [ Info] [Eco] C:\Users\***\ECO-SERVER 9.1.1\Mods\Tools\PickaxeItem.cs(28,50): error CS0246: The type or namespace name 'IPerformsToolAction' could not be found (are you missing a using directive or an assembly reference?)

[23:19:11.636] [1] [ Info] [Eco] C:\Users\***\ECO-SERVER 9.1.1\Mods\Tools\PickaxeItem.cs(33,46): error CS0246: The type or namespace name 'ToolActionType' could not be found (are you missing a using directive or an assembly reference?)

[23:19:11.653] [1] [ Info] [Eco] C:\Users\***\ECO-SERVER 9.1.1\Mods\Tools\PickaxeItem.cs(76,38): error CS1503: Argument 2: cannot convert from 'Eco.Shared.Math.Vector3i' to 'Eco.Gameplay.GameActions.MultiblockActionContext'

[23:19:11.653] [1] [ Info] [Eco] C:\Users\***\ECO-SERVER 9.1.1\Mods\Tools\PickaxeItem.cs(76,67): error CS1503: Argument 3: cannot convert from 'Eco.Gameplay.Players.Player' to 'Eco.Gameplay.Items.Inventory?'

[23:19:11.653] [1] [ Info] [Eco] C:\Users\***\ECO-SERVER 9.1.1\Mods\Tools\PickaxeItem.cs(76,83): error CS1503: Argument 4: cannot convert from 'bool' to 'Eco.Gameplay.Items.Item?'

[23:19:11.653] [1] [ Info] [Eco] C:\Users\***\ECO-SERVER 9.1.1\Mods\Tools\PickaxeItem.cs(76,90): error CS1503: Argument 5: cannot convert from '<null>' to 'bool'

[23:19:11.653] [1] [ Info] [Eco] C:\Users\***\ECO-SERVER 9.1.1\Mods\Tools\PickaxeItem.cs(76,96): error CS1503: Argument 6: cannot convert from 'Eco.Mods.TechTree.PickaxeItem' to 'bool'

[23:19:11.653] [1] [ Info] [Eco] C:\Users\***\ECO-SERVER 9.1.1\Mods\Tools\PickaxeItem.cs(77,34): error CS1503: Argument 2: cannot convert from 'Eco.Gameplay.Players.Player' to 'Eco.Gameplay.GameActions.MultiblockActionContext'

[23:19:11.653] [1] [ Info] [Eco] C:\Users\***\ECO-SERVER 9.1.1\Mods\Tools\PickaxeItem.cs(77,50): error CS1503: Argument 3: cannot convert from 'Eco.Mods.TechTree.PickaxeItem' to 'float'

[23:19:11.653] [1] [ Info] [Eco] C:\Users\***\ECO-SERVER 9.1.1\Mods\Tools\PickaxeItem.cs(116,34): error CS1503: Argument 2: cannot convert from 'Eco.Gameplay.Players.Player' to 'Eco.Gameplay.GameActions.MultiblockActionContext'

[23:19:11.653] [1] [ Info] [Eco] C:\Users\***\ECO-SERVER 9.1.1\Mods\Tools\PickaxeItem.cs(116,50): error CS1503: Argument 3: cannot convert from 'Eco.Mods.TechTree.PickaxeItem' to 'float'

[23:19:11.653] [1] [ Info] [Eco] C:\Users\***\ECO-SERVER 9.1.1\Mods\Tools\PickaxeItem.cs(126,34): error CS1503: Argument 2: cannot convert from 'Eco.Gameplay.Players.Player' to 'Eco.Gameplay.GameActions.MultiblockActionContext'

[23:19:11.653] [1] [ Info] [Eco] C:\Users\***\ECO-SERVER 9.1.1\Mods\Tools\PickaxeItem.cs(126,50): error CS1503: Argument 3: cannot convert from 'Eco.Mods.TechTree.PickaxeItem' to 'float'

[23:19:11.653] [5] [ Info] [Eco] Loading mods... Finished in 9,453.1ms

[23:19:11.669] [5] [ Info] [Eco] [Server Initialization]... Finished in 10,020.4ms

[23:19:11.669] [1] [Error] [Eco] Failed to load server, Exception was Exception: Exception
Message:C:\Users\***\ECO-SERVER 9.1.1\Mods\Tools\PickaxeItem.cs(28,50): error CS0246: The type or namespace name 'IPerformsToolAction' could not be found (are you missing a using directive or an assembly reference?)
Source:Eco.ModKit

System.Exception: C:\Users\***\ECO-SERVER 9.1.1\Mods\Tools\PickaxeItem.cs(28,50): error CS0246: The type or namespace name 'IPerformsToolAction' could not be found (are you missing a using directive or an assembly reference?)
   at Eco.ModKit.RoslynCompiler.HandleCompilerError(ImmutableArray`1 diagnostics)
   at Eco.ModKit.RoslynCompiler.Compile()
   at Eco.ModKit.RoslynCompiler..ctor(String modsAssemblyPath)
   at Eco.ModKit.ModKitPlugin..ctor(TaskCompletionSource`1 done)

[23:19:16.699] [1] [Error] [Eco] Unhandled errorSystem.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation.
   at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor, Boolean wrapExceptions)
   at System.Reflection.RuntimeConstructorInfo.Invoke(BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
   at System.RuntimeType.CreateInstanceImpl(BindingFlags bindingAttr, Binder binder, Object[] args, CultureInfo culture)
   at System.Activator.CreateInstance(Type type, BindingFlags bindingAttr, Binder binder, Object[] args, CultureInfo culture, Object[] activationAttributes)
   at System.Activator.CreateInstance(Type type, Object[] args)
   at Eco.Server.PluginManager.AddPlugin(Type pluginType, Object[] p)
   at Eco.Server.PluginManager.AddPlugin[T](Object[] p)
   at Eco.Server.PluginManager.AddPluginsAsync(StartupInfo startupInfo)
   at Eco.Server.PluginManager.PostCreateAsync(StartupInfo startupInfo)
   at Eco.Server.Startup.StartAsync(StartupInfo startupInfo)
   at Eco.Server.ApplicationHostedService.StartAsync(CancellationToken cancellationToken)
   at Microsoft.Extensions.Hosting.Internal.Host.StartAsync(CancellationToken cancellationToken)
   at Microsoft.Extensions.Hosting.HostingAbstractionsHostExtensions.RunAsync(IHost host, CancellationToken token)
   at Microsoft.Extensions.Hosting.HostingAbstractionsHostExtensions.RunAsync(IHost host, CancellationToken token)
   at Microsoft.Extensions.Hosting.HostingAbstractionsHostExtensions.Run(IHost host)
   at Eco.Server.MainClass.Main(String[] args)
System.Exception: C:\Users\***\ECO-SERVER 9.1.1\Mods\Tools\PickaxeItem.cs(28,50): error CS0246: The type or namespace name 'IPerformsToolAction' could not be found (are you missing a using directive or an assembly reference?)
   at Eco.ModKit.RoslynCompiler.HandleCompilerError(ImmutableArray`1 diagnostics)
   at Eco.ModKit.RoslynCompiler.Compile()
   at Eco.ModKit.RoslynCompiler..ctor(String modsAssemblyPath)
   at Eco.ModKit.ModKitPlugin..ctor(TaskCompletionSource`1 done)