Hi Maria
Can you explain a little bit more?, Dédalo has many authoring fields and perhaps the error is in one of them in particular.
I have tested some of them and they are working:

But as I say, it could be in specific field and test everyone to find the problem will be hard. Therefore, if you say something as:
In section .... in field ........... I found this error will be great.
And
Maybe you can update your installation to the latest version 6.7.2, and check if the problem has been resolved.
Best