IHBADEXPR, PreExpr, IntExpr and PostExpr must be legal M labelref
Publisher Error: This error occurs when the Publisher detects that the PreExpr, InfoExpr, or PostExpr return a value which is not in the expected format. The Publisher logs this error and stops processing the FileLine.
Action: Ensure that the FileLine Gleaner's PreExpr and PostExpr return an empty string and InfoExpr return values in multiples of <key>:<value>.