oh no … My php version is 5.2…..I hava reinstall the old versio plugin(0.5.3),and meet a new activation problem :

The “Activations Remaining” is “1” ，but I can’s Activate my plugin
I Enter the E-mail address and the license key in the “Updates” menu’s form, but click “Save & Activate ” button , the program just say “Settings Saved” and there is still hava the error message “WP Project Manager Error: Pleae activate your copy”！