Which you are using (e.g., DWG to PDF, a physical HP/Canon plotter)? Does it happen on all layouts or just one specific sheet?
the replacement acismobj20.dbx into the original AutoCAD installation folder
: If the error occurs upon opening a specific "paper" or drawing, the file may be corrupt. Use the AUDIT command and then PURGE (specifically "Purge Regapps") to clean up internal database errors. System & Software Maintenance
via the AutoCAD "Reset Settings to Default" tool frequently resolves errors caused by corrupted user profiles. Compatibility Adjustments : autocad fatal error acismobj20dbx free
If this error only occurs when opening a specific drawing file, the issue lies within the drawing's database, not your software. Launch a blank, new template in AutoCAD. Type RECOVER into the command line and press .
: A cluttered temporary directory often causes DBX-related crashes. Close AutoCAD and delete everything in your Windows Temp folder (type %TEMP% in the Windows Search bar).
Select the problematic DWG file and let AutoCAD scan and repair internal database errors. Which you are using (e
To avoid encountering this error in the future, make sure to:
Once open, run the AUDIT command and select to fix errors. Run the PURGE command to remove unused items. Save the file under a new name and attempt to open it. 3. Repair AutoCAD Installation
Given the evidence that file permission issues can cause this error, granting full control to the AutoCAD installation folder is worth trying. Use the AUDIT command and then PURGE (specifically
: Right-click your AutoCAD shortcut > Properties . In the Target field, add /NOHARDWARE at the end of the text (e.g., "...\acad.exe" /NOHARDWARE ). File-Specific Solutions If the error only happens with certain files:
Install all "Hotfixes" and "Service Packs." These often contain the corrected versions of .dbx files. 5. Re-register the DBX File