ID:20812 To force an SDM clock to the Internal Oscillator, you must specify the Internal Oscillator as configuration clock source

CAUSE: The design has setting to force an SDM clock to the Internal Oscillator and does not have the configuration clock source set as the Internal Oscillator.

ACTION: Set the configuration clock source to Internal Oscillator, or do not force an SDM clock to the Internal Oscillator on the Intel Quartus Prime software Assignments Device and Pin Options menu.