How to resolve System.MissingMethodException

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Hi all,

I keep getting the error below in the logging of a connector. I suspect the problem is in the loading of the referenced dll, but I can't figure out how to resolve it.

2022/07/12 14:14:08.301|SLManagedScripting.exe|ManagedInterop|CRU|-1|5|System.MissingMethodException: Method not found: 'Skyline.DataMiner.Library.Common.DmsElementId Meinberg.Nms.IAC.Communication.Generic.ElementInfoEvent.get_DmsElementId()'.
Stijn Declerck [SLC] [DevOps Advocate] Selected answer as best 13th July 2022
Stijn Declerck [SLC] [DevOps Advocate] commented

Hi Jens, I’m working with Nuget packages

4 Answers

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Hi Stijn,

It looks like you're missing the Meinbergh API dll. Can you confirm that it's available on your system?

Stijn Declerck [SLC] [DevOps Advocate] Posted new comment 12th July 2022
Stijn Declerck [SLC] [DevOps Advocate] commented

The dll ‘SLC.CLib.Meinberg.Nms.IAC.dll’ is available under the folder “C\:Skyline DataMiner\ProtocolScripts\DllImport\slc.clib.meinberg.nms.iac\1.0.10325.21-1.0.0.x.21\lib\net462”. I uploaded the connector via the ‘.dmprotocol’ package, which contains that dll.
Jens Vandewalle [SLC] [DevOps Enabler] commented

Can you verify in the uploaded protocol that the dllImport reference on the impacted QAction is correct?
Stijn Declerck [SLC] [DevOps Advocate] commented

This is the dllImort reference: ‘slc.clib.meinberg.nms.iac\1.0.10325.21-1.0.0.x.21\lib\net462\SLC.CLib.Meinberg.Nms.IAC.dll’
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