PETSc error in heat_diff

petsc_error.txt

[0]PETSC ERROR: --------------------- Error Message ------------------------------------
[0]PETSC ERROR: Argument out of range!
[0]PETSC ERROR: Can only get local values, trying 6!
[0]PETSC ERROR: ------------------------------------------------------------------------
[0]PETSC ERROR: Petsc Release Version 2.3.3, Patch 16, Tue Sep 23 10:02:49 CDT 2008 HG revision: 31306062cd1a6f6a2496fccb4878f485c9b91760
[0]PETSC ERROR: See docs/changes/index.html for recent updates.
[0]PETSC ERROR: See docs/faq.html for hints about trouble shooting.
[0]PETSC ERROR: See docs/index.html for manual pages.
[0]PETSC ERROR: ------------------------------------------------------------------------
[0]PETSC ERROR: ./bin/example1.bin on a darwin12. named rras-10-34-8-47.ncl.ac.uk by caiofbpa Fri Jul 19 14:28:30 2013
[0]PETSC ERROR: Libraries linked from /Users/caiofbpa/Developer/petsc-2.3.3-p16/lib/darwin12.4.0-c-debug
[0]PETSC ERROR: Configure run at Fri Jul  5 12:10:57 2013
[0]PETSC ERROR: Configure options --with-shared
[0]PETSC ERROR: ------------------------------------------------------------------------
[0]PETSC ERROR: VecGetValues_MPI() line 821 in src/vec/vec/impls/mpi/pdvec.c
[0]PETSC ERROR: VecGetValues() line 738 in src/vec/vec/interface/rvector.c