Siemens WinCC (TIA Portal) is divided into different tiers. The error occurs because your project contains elements that require a higher tier than what is currently activated on your machine.
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To understand the error, one must understand the architecture. WinCC software (specifically WinCC Comfort, Advanced, or Professional) relies on a strict digital handshake. The software demands proof of purchase and authorization before it allows the Runtime environment to start. license wincc comfort was not found