Hello Nirmessini @Anonymous
Is the issue still present on your side? As @pendean and @acadhelp1 mentioned it might be connected to the file you uploaded - maybe it is corrupt.
If you are not able to share the file, please let us know. You could also check if you get the same behavior with an empty file. If it does not appear with an empty file, the it is most probably drawing related. In this case I would recommend steps to clean the drawing: How to repair corrupt AutoCAD files
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Best regards,
Thomas
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Thomas Stühle
Technical Support Specialist