Animation stops randomly

[Xylotica]

As can be seen in this video : https://drive.google.com/file/d/1Ho-iwbalFSGNHlq_XM3w4A15cBDn9PeS/view?usp=sharing

The animation stops randomly, and it needs to be prodded by the "dotted slider line" to resume.

[Johannes @ Robots in Architecture]

Hello,

If it's repeatable kindly send me the file so I can debug it.

Thanks,
Johannes