Hello!
I found a weird bug in my travels today.
The TL:DR is that when a date input tool within the interface tool is used within a collapsing radio button, it defaults to "dd/mm/yyyy", breaking any app when this is not filled out:
Both values are default - i have not edited these values. The weirdest part is, this is Server/Private Gallery specific. When this workflow is downloaded and run within Designer:
And the workflow runs fine.
I have not tested this with any of the other interface tools, however I suspect this to not be the only tool this issue resides within.
I have attached the workflow I used (not that it would take long to recreate) for testing.