make sure the following environment variables are set correctly.

For example,

setenv PYTHONPATH /afs/cern.ch/sw/packages/POOL/POOL_1_3_3/rh73_gcc32/bin:/afs/cern.ch/sw/packages/POOL/POOL_1_3_3/rh73_gcc32/lib

setenv LD_LIBRARY_PATH /afs/cern.ch/sw/lcg/app/releases/POOL/POOL_1_3_3/rh73_gcc32/lib:/usr/local/gcc-alt-3.2/lib:/afs/cern.ch/sw/lcg/external/mysql++/1.7.9_mysql.4.0.13/rh73_gcc32/lib:/afs/cern.ch/sw/lcg/external/mysql/4.0.13/rh73_gcc32/lib:/afs/cern.ch/sw/lcg/external/Python/2.2.2/rh73_gcc32/lib:/afs/cern.ch/sw/lcg/external/XercesC/2.1.0/rh73_gcc32/lib:/afs/cern.ch/sw/lcg/external/edg-rls-client/2.0.0/rh73_gcc32/lib:/afs/cern.ch/sw/lcg/app/releases/SEAL/SEAL_1_1_0/rh73_gcc32/lib:/afs/cern.ch/sw/lcg/app/releases/POOL/POOL_1_3_3/rh73_gcc32/lib:/afs/cern.ch/sw/lcg/external/wxPython/2.4.0.1/rh73_gcc32/lib

setenv SEAL_PLUGINS /afs/cern.ch/sw/packages/POOL/POOL_1_3_3/rh73_gcc32/lib/modules

setenv PATH /afs/cern.ch/sw/lcg/app/releases/POOL/POOL_1_3_3/rh73_gcc32/bin:/afs/cern.ch/sw/lcg/external/Python/2.2.2/rh73_gcc32/bin:$PATH