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The data check reports a cantilever beam out-of-alignment.
In Ram Structural System, a cantilever beam is typically an extension of an existing simple span beam, The user specifies the length (or the X or Y intercept of the end) and the program projects a cantilever along the line vector defined by the back-span to a new point and the calculated end point.
In some circumstances, there is an existing object very close to the calculated end point and the program will snap the new cantilever to this existing snap point rather than using the calculated end point and this cause the cantilever segment to be out of alignment with the back-span.
There is some tolerance built into the program for both the snapping distance and the alignment of the beam and backspan, but the snapping distance is large enough that the problem sometimes occurs.
To fix the problem the object that is not quite in alignment with the tip of the cantilever can be moved, and then the cantilever remodeled. It might be a grid intersection, another beam, or any number of other objects in the model like a deck vertex or the end of a line load. Turning off various snap modes, or turning on the display of the decks and loads can help to identify the misplaced item.
In some situations, the cantilever can be made a little bit longer or shorter to avoid the problem.