Hello Sunil,
Thank you for posting your question in Bentley Forum.
Please do the following .
1. Go to All programs > Bentley > MXRoad > MX options > Reset Configuration.
2. Restore Default Settings, please refer the attached word document for your reference.
3. Go to File > New plan display.
If still issue persists , then please create a new project in new directory.
(Please visit the site to view this file)
Regards,
Purva Lakde