CPXMI_KAPPA_UNSTABLE

1034 Detected %6.2f%% (%lld) unstable condition number(s) >= %g

#define CPXMI_KAPPA_UNSTABLE 1034

The optimizer encountered very large basis condition numbers during the solution of the model. This indicates an unstable model.

For more information about such models, see these topics in the CPLEX User's Manual: