Simplify the following text for a Grade 10 native English-speaking person.
Original: In December 2009 , the team suffered an early setback when it was discovered that a planned Â # 80m sponsorship arrangement that had been signed by Brawn with Henkel in July was invalid .
Simplified: In December 2009 , the team suffered an early setback when it was discovered that sponsorship deal was invalid . An eighty million pound sponsorship arrangement that had been signed by Brawn with the German company Henkel was invalid .