{Dynamics CRM Error} The formatter threw an exception while trying to deserialize the message

If you're working with Dynamics CRM, you might encounter the following error: "The formatter threw an exception while trying to deserialize the message". This error can be triggered when attempting to deserialize a message while using queryexpression code in a project.

The error message provides more details about the issue, stating that there was an error while trying to deserialize parameter http://schemas.microsoft.com/xrm/2011/Contracts/Services:request. The InnerException message can also give additional insight into where the issue might be originating from.

To resolve this issue, in-depth analysis of the queryexpression code and its implementation is necessary. The post originally appeared on xrm CRM Dynamics and offers more insight into troubleshooting this error.

Link to the post: https://nishantrana.me/2023/04/27/dynamics-crm-error-the-formatter-threw-an-exception-while-trying-to-deserialize-the-message/