To work around this problem you should upgrade to Quartus® II software version 13.0sp1.
Article ID: 000080977 Content Type: Error Messages Last Reviewed: 08/27/2013
Error: Channel PLL Parameter 'output_clock_frequency' is set to an illegal value of '<Channel PLL output frequency> MHz' and PMA Direct parameter is set to 'false'.
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Description You may encounter the above Quartus® II fitter error if you are using the Cyclone® V Custom PHY in with a transceiver speed grade of -6 and a core speed grade of -7 in Quartus II software version 13.0. This is due to an incorrectly mapped transceiver speed grade.
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