JpaRepository:

@Query("SELECT new ReportConfig(rc.uuid, rc.accountId, rc.createDate, rc.modifiedDate, author.id, :userId, author.firstName, author.lastName, rc.title ) FROM ReportConfig rc " +
...
)
List<ReportConfig> findByAccountIdAndUserId(@Param("accountId") Long accountId, @Param("userId") Long userId );

Constructor:

public ReportConfig(
String uuid,
Long accountId,
Date createDate,
Date modifiedDate,
Long ownerId,
Long userId,
String firstName,
String lastName,
String title)

Unknown macro: { // other stuff }

Exception:

Unable to locate appropriate constructor on class ... Expected arguments are: java.lang.String, long, java.util.Date, java.util.Date, long, java.lang.String, java.lang.String, java.lang.String

As you can see :userId is not recognized as Long input parameter for the constructor.