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Forum: FPGA, VHDL & Verilog Error loading design (Modelsim student version)

Author: Keltuzad (Guest)
Posted on:

Hi @ all,

Im working with the student version of Modelsim, I have dowloaded the
latest version (6.5b) and the licence and copied it to the root
folder(C:\dev\Modeltech_pe_edu_6.5b).

Now to the problem:

Im using "vsim -voptargs=+acc work.tdm_bert_tb" as my run command.
My only error report is:
#Error loading design

Due to the limited content of the error msg I have difficulties finding
a solution.

What have I already done:
I have reinstalled Modelsim + licence with Administrator rights, tried
running it with different -commands e.g. vsim -optargs work.tdm_bert_tb,
vsim work.tdm_bert_tb (none).
I only recieve the above mentoinened error.

Any suggestions are welcome.

Thanks in advance.

Kel.
Author: guest (Guest)
Posted on:

did you compile your designfiles/tb into the work lib using vlib and
vcom?
Author: Kel (Guest)
Posted on:

hi,
yes all files including the testbench are compiled.
Author: Christian R. (supachris)
Posted on:

In the most cases the error is shown many lines obove the "Error loading
design" Message. Search the blue lines for "Fatal : ..." or so.
Author: Kel (Guest)
Posted on:

Hi supachris,
thx for the hint but the only error line I recieve is the "#Error
loading design" line and no other output. This is the fact that keeps me
from investigating further.
Author: Anand Singh (Guest)
Posted on:

I am getting the error "Error Load Design"(Modelsim student version).
I have three modules and all are compiling without errors.
However,the order for one of them (test bench) stays '0' in the left
window.
Now,while trying to run the three modules,I was getting the error which
I have specified above.
Author: Ottmar (Guest)
Posted on:

If the topmodule isn't loadable, try the submodules one by one.
Author: Sentinel (Guest)
Posted on:

Make sure that your PDF student license is contained in the
C:\Modeltech_pe_edu_10.0c' directory folder only( i.e. is not contained
in any subfolders, the 'win32pe_edu' folder in particular!). I tried
this before and it cured the #Error loading system# for me when it
appeared!

I hope this will cure some headaches aswell!

Regards,
Sentinel.
Author: Victoria (Guest)
Posted on:

Hi,

I just had the same error message myself
and this is how I fixed it

#Error loading design

- Check your license is not in a sub folder especially 'win32pe_edu' in
the  ModelSim directory

- and then check your "tb" design to see if your "module" and "uut" name
are one and the same for example mine was

         module tb_ex1_gate();

and
         ex1 uut

This led to the error "#Error loading design" because ModelSim could not
find it in the libraries, it should have been

         module tb_ex1_gate();

and
         ex1_gate uut

also when the this error appears you can find more detail when you
scroll up on the Transcript section


I hope all this helps I am using ModelSim PE Student Edition 10.0c
Author: BVP (Guest)
Posted on:

Thanks, Christian. Your input has helped me! Cheers..

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