Critical simulation error.
Simulation encountered a critical error.
A critical error occurred during the simulation.
Simulation terminated due to a critical error.
The simulation failed because of a critical error.
A critical error was detected during the simulation.
The simulation stopped because of a critical error.
Simulation halted due to a critical error.
A critical error occurred while running the simulation.
Simulation terminated unexpectedly due to a critical error.
The simulation encountered a critical error and stopped.
A critical error was encountered during the simulation.
Simulation stopped abruptly due to a critical error.
An error occurred during the simulation that was deemed critical.
The simulation experienced a critical error and had to be terminated.
A critical error was identified during the simulation.
The simulation was terminated due to a critical error being detected.
An unexpected critical error occurred during the simulation.
A critical error caused the simulation to fail.