Could not find rtl_work.TB.vhd

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Hello, i'm here again how do I save the results?

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This question does not make any sense.

Save what results?

From the error message you posted, the testbench rtl_work.tb_pfc_main cannot be found.

So have you added the testbench to the project? Look at the .do script and see if TB_PFC_main.vhd was ever compiled. If it was not, then you need to figure out how to include it.

I never use Quartus to launch Modelsim, so I'm not sure what you need to do for that step. You will need to read the Quartus documentation.

Cheers,

Dave