Article ID: 000075730 Content Type: Error Messages Last Reviewed: 12/04/2013

Error:Error in CNX file format. Can't create the custom megafunction variation file(s)

Environment

    Quartus® II Subscription Edition
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Description

Due to a problem in the 32-bit Quartus® II software version 11.0 and later for Linux, you may see this error message when opening following megafunctions in the MegaWizard™ Plug-In Manager:

  • ALTDDIO_IN
  • ALTDDIO_OUT
  • ALTDDIO_BIDIR
  • ALTDLL
  • ALTLVDS_RX
  • ALTLVDS_TX
  • ALTDQ
  • ALTSHIFT_REG
Resolution There are no plans to fix this issue. To work around this problem, use the 64-bit Quartus II software for Linux if available or the Quartus II software for Windows.

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