ID:20156 Invalid signal flag name "<name>"

CAUSE: The Signal Activity File (.saf) contains a signal flag definition with an invalid flag name. The flag name must match one of the names on the fixed list of flag names recognized by the Quartus Prime software.

ACTION: Edit the invalid flag definition in the Signal Activity File. The list of valid signal flag names may be found in any Signal Activity File generated by the Quartus Prime software. You may use the --output_saf option on quartus_pow to generate a sample Signal Activity File.