Cut or Join Geometry Fails

A warning displays when you attempt to cut or join geometry, and the geometry cannot be regenerated properly.

Warning: There are several similar error messages for this condition, such as:
Issue: Revit must be able to create a reasonably accurate model at building scale. The application has implicit assumptions built in about both the scale and accuracy necessary to produce a useful building model.

Solution: Make adjustments to the size or position of elements to resolve the error conditions. Some possible solutions include: