HDRP: Manually starten a timeline does not start the script of my object

Unity Engine
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I have a HRDP project and a script in an object. Then I have a timeline. The Playable Director is set to “Play on Awake”. When I start the game, the object’s script is executed correctly. But if I manually click start in the timeline window, my sequence runs, but the script is not executed. How is the solution. I use Version 2023.2.20f1