Getting an error in WorkerExtraInfo HSDLTemplate

Summary:

The line for component WorkerExtraInfo with instruction MERGE doesn't include values that define a unique reference to the record. Include values for at least one of the supported keys.

Content (please ensure you mask any confidential information):

I am trying to create the new HSDL Template for France Physical Exam category. I have included all the required fields into the template, but it is throwing the below Error

The line for component WorkerExtraInfo with instruction MERGE doesn't include values that define a unique reference to the record. Include values for at least one of the supported keys.

I have included below fields into the HSDL template