Animation feature bug?

[#1]

Dear all,

I am running an animation feature on chart. My issue is that not the individual frames are shown, but they are kind of plugged together. I this a bug? Has anyone encountered this before?

Best regards,

Florian

Starting condition

When running the animation:

I have attached a sample file. Please have a look

[#2]

Interestingly what I am experiencing should actually not be possible according to this thread:

continuing animated chart