[mcstas-users] mcgui issue

Wildgruber, Christoph U. wildgrubercu at ornl.gov
Fri Feb 12 20:37:42 CET 2021


Hi,

I ran into a problem with mcgui after an update on a RHEL 7 machine...

The error message is:

[cwl at hellerldrd BER_SANS_Phase_II_eng_v1.0]$ mcgui &
[1] 1072
[cwl at hellerldrd BER_SANS_Phase_II_eng_v1.0]$ Traceback (most recent call last):
 File "<string>", line 1, in <module>
ImportError: /lib64/libstdc++.so.6: version `GLIBCXX_3.4.20' not found (required by /usr/local/mcstas/2.7/miniconda3/lib/python3.8/site-packages/PyQt5/Qsci.abi3.so)


I apologize If this issue came up on the list and I missed it… or the fix is documented somewhere...

Any advice on how to fix that?


Best wishes & many thanks,

Uli



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