: First, make sure what command you're using and what setting you're trying to change.
If you try to set a hatch scale that is too dense or too sparse, AutoCAD may restrict the input to prevent the software from freezing while trying to calculate millions of hatch lines.
Find other for large drawings. Cannot Access OPTIONS Dialog BOX - Forums, Autodesk please enter an integer from 1 to 20000 autocad
This error usually locks the dialog box because a numerical field is outside its allowed range. Variable Name: VIEWRES
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This variable limits the number of lines created by a single hatch object. If your drawing requires more than 20,000 segments to render a hatch, you’ll see this prompt. You can try typing MAXHATCH into the command line and increasing it (though some versions cap this at 10,000 or 20,000).
Are you seeing this message specifically while or during a different command like array or scaling ? : First, make sure what command you're using
Customizing specific display variables. 2. System Variables (The "Hidden" Settings)