Simply Cloth Pro Help

[zeke]

For anyone that has this addon i need help,

Lets say i choose a shirt. Whenever i get it lined up where i need it i press the play button.
But when i press the play button to simulate the cloth, The cloth just proceeds to fall..
Instead of the two sides (front and back) sewing together.

What confuses me is that this addon was working just fine then for no reason this started happening.