This message typically appears when you are trying to set a value—whether for array spacing, block attributes, viewport scale, or a custom variable—and AutoCAD rejects your input. For new users, this can be confusing. Why 20,000? What integer? And why won’t AutoCAD accept a decimal or a larger number?

AutoCAD: Please Enter an Integer from 1 to 20000 - Causes and Solutions

Sometimes, micro-segments or corrupted blocks inherit extreme scaling factors. When AutoCAD tries to process these corrupted elements during a zoom or regen command, it defaults to the integer prompt. How to Fix the Error Fix 1: Adjust the HPMAXLINES Variable

Remember: In AutoCAD, every integer has a purpose... especially the ones between 1 and 20,000.

Let’s move from theory to practice. Here are the most common AutoCAD actions that raise this validation box.

If the error persists after checking VIEWRES , try these steps to clean the drawing:

This message is not a system crash or a corrupt file error. Instead, it is a built-in software limitation warning. It appears when a user inputs a value outside the allowable range for a specific command, system variable, or object property. Why Does This Error Occur?

Type the variable name (e.g., HPMAXLINES or SPLINESEGS ) into the command line and press . Read the current value displayed in the brackets.

(VIEWRES) variable being corrupted or set incorrectly by a third-party application. Autodesk Community, Autodesk Forums, Autodesk Forum Immediate Fix dialog box (type in the command line). Navigate to the Locate the Display resolution Change the value for Arc and circle smoothness

If you have spent any significant time using , you have likely encountered a frustrating pop-up dialog box or command-line message that reads:

Look at the current value. If it is set too low (e.g., 100), AutoCAD will trigger an error when rendering complex shapes.

AutoCAD uses built-in limits to protect system memory and prevent crashes. When a drawing file demands more visual elements than these limits allow, AutoCAD prompts you to input a number between 1 and 20,000. 1. Excessive Hatch Pattern Density