Simplify the following text for a Grade 14 native English-speaking person.
Original: Following the appointment of Eric Bischoff and Stephanie McMahon as General Managers of the Raw and SmackDown brands respectively , Stephanie McMahon contracted then-WWE Undisputed Champion Brock Lesnar to the SmackDown brand , leaving the Raw brand without a world title . On September 2 , after disputing the brand designation of the Undisputed title , Eric Bischoff announced the creation of the World Heavyweight Championship , spun off from the Undisputed title .
Simplified: As a result , RAW General Manager , Eric Bischoff , commissioned the World Heavyweight Championship to be the main title for the RAW brand , stating that the Undisputed title was disputed for being defended only on one brand .