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Issue:

When trying to save a drawing in AutoCAD, the following message is displayed:

AutoCAD Message

One or more objects in this cartoon cannot be saved to the specified format. The operation was not completed and no file was created.

AutoCAD LT Message

Ane or more objects in this drawing cannot exist saved to the specified format. The operation was not completed and no file was created.

Causes:

For any AutoCAD-based product:

• Corrupt drawing.
• Corrupt user profile.
• AutoCAD does non recognize proxy objects (objects created by 3rd-political party software or other Autodesk software).
• Missing an update for AutoCAD 2019.
• At that place is a % symbol in the file path.
• Low free disk space.
• Missing drive (such equally a USB drive that is no longer connected) or a mapped network drive that has been disconnected.
• USB is set to locked position instead of an unlocked position to allow for file saving.
• Network adapter settings.
• 1 Bulldoze or Dropbox not properly syncing files.
• File server bug.
• Inadequate binder permissions.
• Antivirus software interference.
• Using unsupported server configurations such as network attached storage (NAS) or a storage area network (SAN).
• Using a network server with a distributed file organisation (DFS) or server mirroring.
• Windows Defender is preventing AutoCAD from accessing the folders through Controlled Folder Access.

Specific for Ceremonious 3D:

• The DACH Extension is installed and "empty" surfaces and the "DTM Dreiecksbeschriftung" office are nowadays.
• A drawing with Pipe Networks is attempted to be saved in a previous DWG format version.
• Drawing contains newer versions objects.

Solution:

Specific to AutoCAD 2019

Try i of the following:

• Avoid the use of a % symbol in the file path to where the drawing is stored.
• Install the latest updates. See Where to get Product Updates, Add-ons, and Enhancements.

All AutoCAD versions

Enable "full saves" instead of "incremental saves" in AutoCAD

On the command line in AutoCAD, blazon ISAVEPERCENT and ready the value to 0 (aught).

Purge the Temp folder on the system

Empty the Temp folder. See How to delete temporary files in Windows.

Corrupt cartoon

Effort the following:

• Use controlAUDIT to repair the drawing.
• EmploySAVEAS orWBLOCK to create a new file.
• If the drawing immediately shows the fault when saved, insert the drawing into a new one created from a default template. For instance, you could use the acad.dwt or acadiso.dwt template.
• See likewise:
  • How to repair corrupt AutoCAD files.

Corrupt AutoCAD user profile

Reset AutoCAD to defaults. See How to reset AutoCAD to defaults.

Binder permissions

Run AutoCAD as an ambassador or arrange the folder permissions.

Corrupt Windows user profile

Sign in every bit another user and try again. If this sign in works, an administrator needs to reset the Windows user profile.

File server or drive problems

If the error occurs when saving files inside file direction software, endeavor the following:

• Run AutoCAD and the file management software both equally an administrator.
• Disable User Account Control in Windows. See How to turn off User Account Control in Windows.
• Disconnect and reconnect external disk bulldoze hardware.

Proxy objects

1. Enable recognition for proxy objects past setting the following variables to 1.

• PROXYGRAPHICS: Saved in drawing (Initial value is 1).
• PROXYNOTICE: Saved in the registry (Initial value is 1).
• PROXYSHOW: Saved in the registry (Initial value is i).

2. Then use the command -EXPORTTOAUTOCAD to create a file which contains just AutoCAD-native objects.

Specific to Ceremonious 3D

Remove the German DACH Extension. Meet Error: "DGM-Beschriftung Wird neu erstellt" Civil 3D 2016.

Remove the ISYBAU Extension

See  Uninstalling updates or service packs.

Corrupt drawing

See How to repair Civil 3D drawing which shows bad behavior

Windows Search Service

Check the folders that comprise drawings to see if Windows Search Service has indexed them (right-click > Properties > Advanced). Check that Windows is not indexing the folders. On occasion, the indexing repeatedly causes this mistake with AutoCAD drawings.

Cloud Storage Syncing Issues

Practise a Save As and see if the file saves to the desktop. If it nevertheless shows the error, copy everything in the cartoon to clipboard and paste information technology into a new drawing and save information technology to the desktop.

Network adapter settings

Disable the "TCP Offload" setting on the network adapter used. For instructions on the disabling of TCP Offload setting, consult the manufacturer of the Ethernet adapter.

Windows Defender

Cheque for Windows Defender permission to salve files.

1. Press Outset and type Controlled Folder Accessor go to Windows Security >  Virus & Threat Protection > Manage Ransomware Protection.
2. Either:
   • Turn off Controlled Folder Access.
   • Click Allow an app through Controlled folder access > Add together an allowed app and navigate to the appropriate AutoCAD software EXE file:
     • C:\Program Files\Autodesk\AutoCAD 20Xx\acad.exe.
     • C:\Program Files\Autodesk\AutoCAD LT 20XX\acadlt.exe.

Notes:

• The installation folder may be dissimilar.
• If Windows Security is preventing AutoCAD from accessing the folders, the post-obit message is shown in the Windows notification expanse: Unauthorized changes blocked. Controlled folder access blocked acadlt.exe (or acad.exe) from making changes. Click to run into settings.

Antivirus interference

Add the recommended Antivirus exclusions (come across  How to set up antivirus (AV) exclusions to improve stability and performance of Autodesk software) or disable the antivirus software in use.

Products:

AutoCAD for Mac; AutoCAD LT for Mac; AutoCAD Products; Fabrication CADmep; Accelerate Steel;

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Source: https://knowledge.autodesk.com/support/autocad/troubleshooting/caas/sfdcarticles/sfdcarticles/Error-One-or-more-objects-in-this-drawing-cannot-be-saved-to-the-specified-format.html