How to Insert Negative Co-Ordinates in current master drawing ?
1. Edit the "Project Setting". For this, from the startup panel, check mark the option "Edit Project Settings", and then hit ok. The 'Project Settings' panel is displayed.
2. Click on the tab 'Units', check mark the option "Allow Negative Co-ordinates", and enter the shift to X and Y a value that is higher that the value mentioned in the message. Click and then click ok.
3. Negative Co-ordinates will get inserted in the current dgn file.