SAP Message AQ417 - Join defintion has errors, please check (InfoSet &)

Diagnosis
An unauthorized ON condition was defined when defining the join in theInfoSet. This was caused by an error in the graphical join control. Youmust remove this ON condition.
An unauthorized ON condition occurs when the field of one table islinked to another table with two different fields.

Procedure
Change the InfoSet (transaction SQ02) before it is used again to definequeries.