Getting the following exception executing a stored procedure with a parameter from a web service model:

11:28:24,508 WARN [PROCESSOR] Processing exception 'Error Code:ERR.015.008.0019 Message:Error Code:ERR.015.008.0019 Message:Unable to resolve element: Books_MySql_Output_View.AUTHORS_OutputView.AUTHORS_Output.AUTHORS_Output_Instance.AUTHOR_ID' for request 5A806b3/JTrd.1. Exception type org.teiid.api.exception.query.QueryPlannerException thrown from org.teiid.query.resolver.util.ResolverVisitor.handleUnresolvedElement(ResolverVisitor.java:116).

The element path is valid though and should be resolved.