SSRS the definition of the report is invalid

Question

How can I resolve the below error message that I receive when I try to deploy my report to our our Reporting Server using BIDS?

Mes

Answer 1

This occurred for me due to changing the names of certain dataset fields within BIDS that were being referenced by parameters. I forgot to go into the parameters and reassign a default value (the default value of the parameter didn't automatically change to the newly renamed dataset field. Instead .