Failed to create a 'OutArgument' error

One of my invoked workflows is not opening and giving the error “‘Failed to create a ‘OutArgument’ from the text ‘’.’ Line number ‘1’ and line position ‘68’. Row: 1, Column: 68”.

I did not create any new Out Arguments within this file so I am not sure why it is giving an error. I tried to follow the fix described in 'Failed to create a 'OutArgument' from the text ''.' Line number '1' and line position '375'. Row: 1, Column: 375 but did not find any extra arguments in the xaml file.

How can I resolve this? Can the Line number and line position numbers be used to find the error?

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Hi,
Open the xaml in notepad and remove the out arguments if you see any as like this,
<x:Property Name=“argument1” Type=“OutArgument(x:String)” />

This would solve the problem…

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As mentioned in my post, I tried this fix and there were no lines with those properties in the xaml.

Fortunately, I found a previous version of the invoked workflow and was able to replace the broken one, redo the code changes, and it is working again.

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