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Altera_Forum
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11 years ago

Internal Error: Sub-system: VPR20KMAIN, File: /quartus/fitter/vpr20k/vpr_common/utils

Any ideas why it may happen? I just added a PLL to my project based on golden design for Cyclone V SoC devkit. Now, I cannot move forward in compiling the design even when removing PLL instance fr...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

Hi Dmitry,

Was it possible to see the messages from Quartus prior to the internal error? May be there was a warning or error message that could give a clue about what caused this, sometimes there is.

Regards

J