I'm trying to type it, but it doesn't work. What should I do?

[LeeJaeYoung]

I'm trying to type it, but it doesn't work. What should I do?

Even if you try to make a selection in 3D, it doesn't work.
What should I do?

The scale is 1:1
I want to make it 1:40, but what should I do?

[Jeff Griffin]

I'll take a shot at your first question by asking you another question. Is the element you are trying to schedule locked, or on a locked layer? 

[LeeJaeYoung]

1. Where do you mean it is locked?
What can I see to solve it?

[Barry Kelly · Accepted solution]

The layer combination you are using for your schedule view, probably does not show the layer your element is on.

You will still see what is scheduled, but you won't be able to edit it.

You can tell that you can't edit it because the buttons to select in plan or 3D are greyed out.

Barry.

[Jeff Griffin]

Elements could be locked two ways that I'm aware of. 

1.)  Layer Manager

2.)  Edit > Locking > Lock

[LeeJaeYoung]

thank you Today too ^^
I knew that hardships made me grow more.
I found out that the layers in the schedule can have an effect like this.

[LeeJaeYoung]

thank you

In my case, I had a problem with the layer combination, and thanks to Barry's advice, I understood how to set the pen thickness and hatch change in the schedule.