Firely .NET SDK validator

Warning #2009: Business Rule - Profile elementdef invalid fhirpath expression

This error indicates an issue with a FHIRPath expression. The following messages can occur with this error:

Evaluation of FhirPath for constraint [key] failed: [message]

The validation engine was unable to evaluate the FHIRPath statement for a specific constraint.

Known issue
Please see the known Simplifier validation issue on eld-16.

Compilation of FhirPath for constraint [key] failed: [message]

The validation engine was unable to compile the FHIRPath statement for a specific constraint.

More information can be found in the code for the FHIR .NET API.
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