Record automation in lower zone

I’m sure that this must have a simple solution and I’m just not seeing it. I record my expression, volume modes and such, in the lower zone control lanes. Works fine. The problem is if should need to make a second pass, the data doesn’t replace the old data. It seems to add to it, so I have two overlapping signal strings. The only way I’m able to replace the first run with the second one is to delete the first run before I make second pass. I’ve checked the docs and watched a number video and can’t seem to find a setting that will allow me to replace the old with the new at run time. Would someone please point me to a setting to enable a data override?

Thank you

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