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Apply Updates V26.101.0225 to 2026R1 (26.100.0175) Error

  • July 7, 2026
  • 2 replies
  • 58 views
N
Jr Varsity III
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Trying to apply updates V26.101.0225 to 26.100.0175 and receive error message: “The CodeDom provider type "Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=4.1.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" could not be located.”

Web.config line causing the error is: “ <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=4.1.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" warningLevel="4" compilerOptions="/langversion:default /nowarn:1659;1699;1701" />”

Here is DotNetCompilerPlatform version (Bin folder of the instance)

 

Best answer by Dipak Nilkanth

Hi ​@nadiyahnatyuk58, try to upgrade the site from Acumatica ERP Configuration wizard.(test it on test instance first)
 

 

2 replies

Dipak Nilkanth
Pro III
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Hi ​@nadiyahnatyuk58, try to upgrade the site from Acumatica ERP Configuration wizard.(test it on test instance first)
 

 

Dipak Nilkanth || 2X MVP @2025 & 2026 || https://www.linkedin.com/in/dipak-nilkanth-293591102 || Acumatica Developer
    N
    Jr Varsity III
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    Hi Dipak, I have removed lock in the database, logged in and updated database. Your solution it much cleaner! Thanks

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