Complex sentence: While this is quicker than step-by-step processing, heuristic decision-making opens the risk of inaccuracy-mistakes that otherwise would have been avoided in step-by-step processing can be made.
Split into simpler sentences: While this is quicker than step-by-step processing, heuristic decision-making opens the risk of inaccuracy. Mistakes that otherwise would have been avoided in step-by-step processing can be made.