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Could not load file or assembly 'PdfSharp, Version=1.50.5147.0, Culture=neutral, PublicKeyToken or one of its dependencies. The system cannot find the file specified.

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Posted on by kartikkp7

365

We have used custom .dll file PDFSharp in our code to combine the pdf files. This is working fine in D365 FOE version PU31 (10.07). But after upgrading it to PU 36 (10.0.12) the code is looking for some other version .dll file and giving below error.

We have added the file as reference and it shows the version 1.0.0.0

Could not load file or assembly 'PdfSharp, Version=1.50.5147.0, Culture=neutral, PublicKeyToken or one of its dependencies. The system cannot find the file specified.

We have checked in the bin folder as well and the file do exists.

What could be the issue?

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Sukrut Parab 71,710 Moderator on at

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When you are getting this error during build ?

Can you try deleting the file from source control and re add it. Make sure to add xml for reference from the below path

K or C:\AOSService\PackagesLocalDirectory\[package name]\[model/project]\AxReference and dll from bin folder

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kartikkp7 365 on at

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Hi Sukrut,

The error is occurring while executing the code and not during the build.

This is cloud vm so we have not configured the source control as we are deploying through package.

Below is the xml for reference that you asked.

<?xml version="1.0" encoding="utf-8"?>

<AxReference xmlns:i="www.w3.org/.../XMLSchema-instance">

<Name>PdfSharp</Name>

<AssemblyName>PdfSharp</AssemblyName>

<AssemblyDisplayName>PdfSharp, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null</AssemblyDisplayName>

<Version>1.0.0.0</Version>

</AxReference>

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A.Prasanna 8,223 on at

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Which version did you use previously ? is same as error message Version 1.50.5147.0 ?,

if it is older version it might have compatibility issues.

as per the site latest stable version is www.nuget.org/.../1.50.5147 , jsut try to install / replace with newer version.

Hope this helps ,

Amith Prasanna

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Sergei Minozhenko 23,093 on at

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Hi Kartik,

Looks like PdfSharp was added to the standard application and you don't need to use reference anymore. Try to remove reference and check again. At least in my PU36 devbox i can use PdfSharp directly without references.

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Sukrut Parab 71,710 Moderator on at

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Just a suggestion on the side note , You should start using source control. Wether it's a cloud hosted VM or downloaded one you shouldn't be deploying packages created directly from VM. Instead you should deploy a build VM and start using packages generated by build VM. Below docs is your starting point.

https://docs.microsoft.com/en-us/dynamics365/fin-ops-core/dev-itpro/perf-test/continuous-build-test-automation

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nmaenpaa 101,160 Moderator on at

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Sort of off topic but you should immediately start using source control before you lose your code. It's happened to many others before you and it's only a matter of time before you have some issue / corruption with your VM and the code is gone.

Remember that the deployable package doesn't contain source code so you can't restore your code from the packages if your dev VM breaks.

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