Undefined symbol in executing time

Isabel Gil misabel at litec.csic.es
Tue Oct 24 12:57:22 CDT 2006

Hello PETSc's users!

I am trying to use PETSc for the first time along with another library. 
I compile my program without any problem but when I try to execute it, 
in a parallel way, I obtain the following error:
"symbol lookup error: 
undefined symbol: PETSC_COMM_SELF"

I have used the command "nm" and ,effectively, this symbol is undefined. 
I don't really know where the problem is. I am using version 2.2.1

Any help and advice will be welcome
Thanks in advance

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