QUARTUS ERROR: Node "missing source HELPPP!!

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Hi Ive got a error in my project which is not letting me compile my design...it is giving me 2 errors of node: missing source

Error: Node "inst5" is missing source

Error: Node "inst7" is missing source

I dont know how to upload my schematic block file...help me...

Any help will be much appreciated,,,,P.S. i cant update the software version as I am working of a uni PC

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Hi,

it means that "inst5" and "inst7" have undriven inputs. Check carefully your schematic !

Kind regards

GPK