Fatal error: Uncaught Error: Attempt to assign property "minGeneration" on null in /home/fbdpedigree/public_html/public/coi_calculation/dogdata/dogenum.php:174 Stack trace: #0 /home/fbdpedigree/public_html/public/coi_calculation/coicalc/ancanal.php(80): DogEnumerator->sortDogs(NULL, '10') #1 /home/fbdpedigree/public_html/public/coi_calculation/coi_10_gen.php(106): AncestorAnalyser->run(Object(DogEnumerator), Object(SimpleDog), '10') #2 /home/fbdpedigree/public_html/public/coi_calculation/coi_10_gen.php(377): doCalc('160163', '10') #3 {main} thrown in /home/fbdpedigree/public_html/public/coi_calculation/dogdata/dogenum.php on line 174