ID:21094 Illegal ERROR_CHECK_FREQUENCY_DIVISOR value (<number>) detected in Quartus Prime Settings File. The valid setting for the current device is a power of two in the range of <number> to 256.

CAUSE: You enabled real-time cyclic redundancy check (CRC) for the target device in the Quartus Prime Settings File (.qsf). The ERROR_CHECK_FREQUENCY_DIVISOR value in the Quartus Prime Settings File can be only in the given range, and the value must be a power of two.

ACTION: Specify a correct ERROR_CHECK_FREQUENCY_DIVISOR value in the Quartus Prime Settings File, or if you would like to disable real-time CRC, disable CRC_ERROR_CHECKING.