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Upgrade Error: Could not load file or assembly 'System.Runtime.CompilerServices.Unsafe' or one of its dependencies

  • 30 March 2023
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Hi Team,

I’m facing issue after upgrading my customization code from 2020R2 to 2022R2. After, referring to the latest Dll, I compiled my Code. then Later on i cannot access to instance. Below is the error for your reference. 

Its urgent, could anyone please help me on this.

 

Regards,

Ramya Krishna

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Best answer by hkabiri 30 March 2023, 17:45

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hkabiri
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@ramya15

  1. Find this file under your application Bin Folder:

System.Runtime.CompilerServices.Unsafe.dll

Go to properties>Details and note the product version. If it is something other than 5.0.0 xx you may need to do changes on the web config dependentAssembly part: (below is a example and you may want to try adjusting the New Version based on what your file version is)

Make sure you keep a copy of Web config file somewhere before making any changes.

      <dependentAssembly>        <assemblyIdentity name="System.Runtime.CompilerServices.Unsafe" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />        <bindingRedirect oldVersion="0.0.0.0-4.0.4.1" newVersion="4.0.4.1" />      </dependentAssembly>
  1. Deploy a new instance linked to same DB and the application should work without any problem.
SAM KABIRI | L2 Support Engineer | hkabiri@acumatica.com | www.acumatica.com
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Hi @hkabiri ,

Thank you so much. I will try this.

 

Regards,

Ramya Krishna

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