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Nuget Package broken on .NET 10

Posted: Sat Jan 17, 2026 10:20 am
by shkarface
Hello dears,

I'm new to this forum, and I wanted to raise an issue that might be only me, when using the nuget package v2.9.8, the package is working as expected, but from version v2.9.9 and upwards, we get this error when we run the app:

System.IO.FileLoadException: Could not load file or assembly 'Inetlab.SMPP, Version=2.9.9.2385, Culture=neutral, PublicKeyToken=f4ef11ed003c8441'. The access code is invalid.
(0x8007000C)
File name: 'Inetlab.SMPP, Version=2.9.9.2385, Culture=neutral, PublicKeyToken=f4ef11ed003c8441'
---> System.Runtime.InteropServices.COMException (0x8007000C): The access code is invalid.
(0x8007000C)
at Program.<Main>$(String[] args)
at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[TStateMachine](TStateMachine& stateMachine)
at Program.<Main>$(String[] args)
at Program.<Main>(String[] args)

I have applied the license key before creating the SmppServer object

Re: Nuget Package broken on .NET 10

Posted: Sun Apr 05, 2026 8:49 pm
by alt
Fixed in [2.9.37] - 2026-02-04
- Could not load assembly on MacOS. The access code is invalid.

Re: Nuget Package broken on .NET 10

Posted: Wed Aug 19, 2026 12:31 pm
by elope
Good to know this was fixed in v2.9.37. I would update first before changing the code or license setup,Nulls Brawl ios since the error was apparently an assembly issue rather than the SmppServer configuration.