Error in CRM Online when using ILMerge: Operation could destabilize the system

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Hi,

I'm trying to merge my Custom Workflow dlls using ILMerge. I followed the step to set CopyLocal to false for Microsoft.Xrm.Sdk, Microsoft.Crm.Sdk.Proxy,Microsoft.Sdk.Workflow and Microsoft.IdentityModel.

When I executed my workflow in CRM, I got the error:

Unexpected exception from plug-in (Execute): MyWorkflow.MyWorkflow: System.IO.FileNotFoundException: Could not load file or assembly 'Microsoft.Xrm.Sdk, Version=8.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The system cannot find the file specified.

So I added back the Microsoft.Xrm.Sdk dll (CopyLocal to true), and updated my workflow.

This time I got the exception:

Unexpected exception from plug-in (Execute): MyWorkflow.MyWorkflow: System.Security.VerificationException: Operation could destabilize the runtime.

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Aiden Kaskela 19,696 on at

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Hi SB,

You're fine having the assembly included, the error is coming out of something in your code. Check out this post for more details: stackoverflow.com/.../operation-could-destabilize-the-runtime

Hope this helps! I'd appreciate if you'd mark this as Answering your questoin.

Thanks,

Aiden

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Community Member on at

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Hi Aiden,

I think I'm doing something wrong in using ILMerge with my Custom Workflow. I uninstalled ILMerge and ran my application, it worked fine.

I reinstalled "MsBuild ILMerge Task" and set all the assemblies below CopyLocal to true:

Microsoft.Xrm.Sdk

Microsoft.Crm.Sdk.Proxy

Microsoft.Sdk.Workflow

Microsoft.IdentityModel

When trying to update my workflow in the plugin registration tool, I get several dlls appearing under my project that are related to "Microsoft.Sdk.Workflow" as shown in the screenshot below:

Whether I include them or exclude them when updating my assembly I get an error in plugin registration tool:

Preparing Registration
ERROR: Occurred while checking whether the assembly exists

When I set the Microsoft.Sdk.Workflow CopyLocal to false and execute my workflow, I get the error "Operation could destabilize the runtime"

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Aiden Kaskela 19,696 on at

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Hi SB,

My mistake. I use IL Merge GUI to merge assemblies and just opened up a config file I use and you don't have to include the Microsoft assemblies. I really have no idea why you'd be getting that error from the plugins unless you're running 2015 and calling the 2016 SDK.

Thanks,

Aiden

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Community Member on at

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I reset these 4 assemblies CopyLocal to false and the plugin executed correctly.

Microsoft.Xrm.Sdk

Microsoft.Crm.Sdk.Proxy

Microsoft.Sdk.Workflow

Microsoft.IdentityModel

I appreciate your help Aiden

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