System Information
Operating system and graphics card
Windows 7, GeForce 520 m
Blender Version
2.69.0 r60995
Short description of error
Then export to collada object with shape keys and vertex groups (for shape keys), vertex groups don't export right. For example - for create avatar for secondlife or opensim needs create some shape keys and vertex groups for right work with animations (blink both eyes, smile and so on ). But this error keep out use this possibilityes.