**System Information**
openSUSE 12.3 64bits
**Blender Version**
Broken: Blender 2.69.7 d7033d5
**Short description of error**
Lot's of "Error: Cannot convert curve to mesh (does the curve have any segments?)" in the terminal caused by the use of curve bevel factor feature.
**Exact steps for others to reproduce the error**
Press F12 {F46206}
No errors
Esc and move to an earlier frame
Press 12
Error: Cannot convert curve to mesh (does the curve have any segments?)