The object may have geometry that crosses over itself, preventing a clean calculation.
: Errors when creating solids from corridor surfaces or ground data. Autodesk Community, Autodesk Forums, Autodesk Forum Proven Fixes & Troubleshooting If you encounter this error, experts on the Autodesk Community Forum and technical guides suggest the following steps: How to fix almost ANY AutoCAD problem autocad error 18003
Real-time scanners (McAfee, Norton, Bitdefender, Windows Defender) can flag license tools. The object may have geometry that crosses over
If objects appear to touch but are actually separated by a microscopic distance (e.g., 0.000001 units), the operation may fail because the connection isn't "watertight". How to Fix It If you're stuck, try these proven fixes suggested by Autodesk community experts Explode Blocks: Select your objects and type If objects appear to touch but are actually
Before trying the Boolean operation again, check the integrity of your objects: SOLIDCHECK command to ensure the solids are valid.