Edit time stamp for all stages in Zeiss Correlate

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Hello,

In preparation for doing a 2D strain analysis, I would like to change the default time step (1 s) for all stages (imported as an image series) to match the real time step (0.00005 s) in the experiments. Previously, I have been able to do so by following these steps: "RMB on the time line -> Manage Stages -> Select all stages in the pop up window -> Edit Time Stamp".

However, for some reason, I cannot longer select all stages in the pop up window. The normal procedure (1. click on first stage, 2. press and hold Shift key, 3. click on the last stage) does not work anymore. 

Is this a bug on the software? Is there an alternative way to edit all time stamps simultaneously? 

I am using the pro version of Zeiss Correlate, Zeiss Inspect 2025.3.1.6

Thank you in advance