Cannot create DotNet object?

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Hello everyone.
In my organization we have a codeunit that handles electronic billing in Mexico. This codeUnit was provided by our consultant who performed the NAV implementation.

My problem happens when I try to call this codeunit from C# code where it throws me the following error:

Microsoft Dynamics NAV Business Web Services
tried to issue a client callback to create a DotNet object:
dllName.Class (CodeUnit 50204 ConsultantCodeUnit).
Client callbacks are not supported in Microsoft Dynamics NAV Business Web Services.

I debugged the call in the development environment and the error comes when a DotNet variable in the codeunit is initialized. From the cliente application the codeunit works well, The problem comes only when I call the code unit from a webservice in c #.

What can be the error?

Note: I do not have access to modify the .dll

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Suresh Kulla 50,243 Super User 2025 Season 2 on at

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You make sure the that DotNet variable property RunOnClient is set to No.

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Is there a way to use a DotNet variable for a webservice with the property RunOnClient 'YES'?

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Stefano Demiliani 37,166 Most Valuable Professional on at

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From WS it must be RunOnClient = YES because the .NET object must be run from the Service Tier.

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Suresh Kulla 50,243 Super User 2025 Season 2 on at

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Since the Webservice is running on the sever you don’t need to specify that.

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