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Hi, I'm doing dynamic simulations of a line fault in the 14 Bus system. I'm using the CLOD load model. However, at a specific load level, I receive the output "Complex Load did not converge" shortly after applying the fault resulting in oscillations of almost all signals. Is this a numerical issue or is it "normal" ,i.e. related to the instability of the system? And if numerical, how can I avoid this?