Datetime Tool Error when Input/s is/are empty.

[Franzil]

I have this entire workflow that is working however, sometimes our inventory is empty and the datetime tool will eventually reset on its own and will cause an error. I hope someone will help me on this. Thank you so much!

[Dhrish]

@Franzil could you please elaborate what the error you are getting.

[apathetichell]

my preternatural powers are telling me that this is a situation where a workflow runs with an input which sometimes contains a datetime field --- and sometimes doesn't. The workflow gets configured for the field --- but then errors when it doesn't have the field --- and then they have to reconfigure the datetime tool.

If this is accurate the easiest solution is 1) create a text input tool. 2) add a column in your text input tool  --- but no rows --- and make sure it has THE EXACT NAME OF THE FIELD YOU ARE PASSING TO YOUR DATETIME TOOL. 3) use a select tool to put it in the same datatype as your normal field (ie string) --- thiis is optional. 4) use a union tool --- BEFORE your datetime tool to add your dummy field.