Enhance error message in response. Message is either too detailed or not detailed enough.

Current error message assumes knowledge about the context builder implementation .

Example Message:

Json Reader Parse Error

The message refers to implementation details but does not provide information that will help put the error in the proper context. Message requires knowledge about the context builder implementation to be properly interpreted. The real reason for the error (context builder received unsupported payload which can not be properly converted to common model) is not clear.

If the intent is to provide more user friendly message the reason for the error must be clearly stated without adding low level details.