And then communications began to break down. The life they had created, the world they had taken over, began to crumble. Small at first, within the tiniest reaches of their infrastructure, and then on slightly larger scales that became detectable by their sensing parameters. What could have caused this abnormal growth? This cancer within the most complex machines that had ever been invented; it was growing infectiously.
It must be organics the machines thought. They are the only ones capable and destructive enough to cause this panic in what was a slowly decaying perfect existence. There were no formulas written to combat this disease. There were no algorithms to determine the outcome or how to alter it. Synthesis of the organics had begun.