Complex sentence: Later, Bent Ahlat, Atilla Süslü and Mehmet Yiğiner became chairmans but the financial problems were not solved and the club relegated from Süper Lig in the 2011--2012 season and from PTT 1.
Split into simpler sentences: Later, Bent Ahlat, Atilla Süslü and Mehmet Yiğiner became chairmans but the financial problems were not solved. Due to financial crisis, the club relegated from Süper Lig in the 2011--2012 season and from PTT 1.