Hi,

Firstly, I'm new to Pega so please forgive any mistakes in terminology.

I am trying to insert a new record to local storage data source, and although it works I get an error on the UI as follows:

As mentioned, it does work in terms of committing data to the table on a button press, but then when i press the button again to add another row, it breaks down.

The button calls the following activity to add the operator ID and the current time to the table. The error only occurs when I press the button for the second time, leading me to believe that I should be closing the activity off in some way before running it again?:

If it helps, here is the UI (this won't be a live app, just something I'm building to learn):

Thanks in advance.

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