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EFroh's avatar
EFroh
Icon for New Contributor rankNew Contributor
6 years ago

Hi, I got the following Error when I tried to open my top level QSYS design: Error: An unexpected error occurred during Open System: java.lang.NullPointerException Debug: java.lang.NullPointerException

I have a top level QSYS with two QSYSes included. When I tried to rename some of the internal QSYS export ports, I got this error in the top-level QSYS. I use 18.1.0.222 Quartus version. How do I f...
KennyT_altera's avatar
KennyT_altera
Icon for Super Contributor rankSuper Contributor
6 years ago

What OS that you were using?

check if you have any linked 'disabled' components in the system - if yes, try to delete rather than disable the components then system builder.