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- Over 11 digits lost causes an Ill-condition warning at the end of the analysis and results may not be sufficiently accurate. ETABS indicates the location of the numerical problem, in this case the user needs to check and revise the model.
ETABS 2013 offers different options for solvers, when getting an ill-condition message while running Advanced or Multi-threaded solver, the user must re run using standard solver, to get complete information regarding numerical issues. Also refer to page below: