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QSim Error

Altera_Forum
Honored Contributor II
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I am new to Quartus II. I have created a very simple program for shift register in VHDL. It was successfully compiled. Then I used the University program VWF to create the input waveforms and saved it. When I run it, the last statement is "can not open .......filename .vcd file". However I went to the simulation subdirectory and I can open the file myself inside Quartus II environment. I have tried other files that I previously did. They are working fine. This one is not. Can someone help? 

Also, is there a location in Altera where all the error listings are compiled? can someone send me that link? I could not figure it out. Thanks for your help. 

 

Using Quartus Prime Lite 15.0, FPGA: MAX10 

 

I am getting this problem on another unrelated program (attached). It compiles without any error. When I simulate with a .vwf file, the program runs fine, except at the end it states:  

Unable to open C:/altera_lite/Workbench/cnt8b/simulation/qsim/cnt8b.msim.vcd  

Error.  

 

I notice that the file exists in the directory. In the properties, there is nothing suspicious.
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