The language-neutral solution package was not found SharePoint 2019

Question

I get this error "Error occurred in deployment step 'Retract Solution' The language-neutral solution package was not found." when deploying or retracting a SharePoint 2019 solution using Visual Studio 2022.

I checked the Farm solutions in SharePoint Central Administration and I can't find this solution, Also I have closed and restarted the Visual Studio. Moreover, I have performed IISREST to no avail!

How can I solve this error "The language-neutral solution package was not found" to can deploy my solution in SharePoint 2019?

Answer 1

Solving: The language-neutral solution package was not found in SharePoint 2019

This issue "The language-neutral solution package was not found." usually occurs in case the WSP solution deployment process has been stucked or corrupted during the deployment or retract process.

In this case, you may not found the WSP solutions in the SharePoint Central Administration > Farm Solutions, However, If you get all WSP solutions using PowerShell you will find it.

Therefore, to solve this error "The language-neutral solution package was not found.", you have to do the following:

1. Open SharePoint PowerShell as Administrator.

2. Get all SharePoint Solutions using the below cmdlet

    Get-SPSolution
   

3. Check if the solution is listed in the result then delete the WSP solution using the below cmdelt

    (Get-SPSolution solutionName.wsp).Delete()
   

   

4. Try now to deploy your solution again that should be working properly without getting
   "The language-neutral solution package was not found."

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See Also

• WSP Deployer: Deploy WSP SharePoint 2019 Solutions using PowerShell
• Uninstall SharePoint Solution WSP
• Install and deploy WSP SharePoint Solution Using PowerShell

Comments

you made my day, the error has been gone after deleting the wsp solution, thanks!