Hello: I am getting this error while running aria from extendNmr: WARNING [Protocol]: Traceback (most recent call last): File "/scratch/ccpn/extendNmr/extend_nmr/aria/src/py/aria/ Protocol.py", line 1313, in dumpIteration File "/scratch/ccpn/extendNmr/extend_nmr/aria/src/py/aria/ Protocol.py", line 1241, in _dump_rms File "/scratch/ccpn/extendNmr/extend_nmr/aria/src/py/aria/ RmsReport.py", line 379, in go File "/scratch/ccpn/extendNmr/extend_nmr/aria/src/py/aria/ RmsReport.py", line 308, in plotPsReport File "/scratch/ccpn/extendNmr/other/python2.5/lib/ python2.5/site-packages/matplotlib/pylab.py", line 206, in <module> File "/scratch/ccpn/extendNmr/other/python2.5/lib/ python2.5/site-packages/matplotlib/mpl.py", line 1, in <module> File "/scratch/ccpn/extendNmr/other/python2.5/lib/ python2.5/site-packages/matplotlib/artist.py", line 5, in <module> File "/scratch/ccpn/extendNmr/other/python2.5/lib/ python2.5/site-packages/matplotlib/transforms.py", line 34, in <module> ImportError: /usr/lib64/libstdc++.so.6: version `GLIBCXX_3.4 .9' not found (required by /usr/local/extendNmr/other/ python2.5/lib/python2.5/site-packages/matplotlib/_path.so) Could please advise on how to fix it. Thank you, Vitaliy