Firstly, we are deeply sorry for the inconvenience caused to you. To fix this issue, please follow the tutorial below.
1. Close this project and reopen it from Mockplus Classic main menu. Please note that the unsaved data will lost.
2. Restore project through backups: Go to Mockplus Classic shortcut menu on the upper left corner > click “Backups” from the drop-down menu > select a backup that you want to recovery > click “Restore” > done. Learn How to Use Backups to Secure My Projects
3. If you need further help, please contact us via email at email@example.com
Tip: For the security of your data, please back up your project regularly.