We still can not reproduce the 2 other problems reported by Iglarion and Superku, and would appreciate an example project if the problem is not disappeared meanwhile.
JCL, could you please leave "Mark as Edited?" checked when you edit your posts? I've missed a lot of your changes because of this.
(I think) I've isolated the problem, it occurs when you set "my.event = NULL;" in the obstacle's event. Here's an example:
http://www.superku.de/Superku_JCL4.zip
