There's an error where my player already gained progress from 5 star to 6 stars, at 1st there's claim button after match finish
(yeah this error occurs because my player gain star during matches not training)

Click image for larger version.  Name: 5to6.jpg  Views: 59  Size: 74.7 KB  ID: 139061

But when I go to sponsor task the green button is still GO, not CLAIM button.

Click image for larger version.  Name: sponsortask.jpg  Views: 60  Size: 99.0 KB  ID: 139062

Minor bug but still a bug.