# Runtime error when using PAW: m\_pawrhoij=\>NetCDF: Name contains illegal characters

**URL:** <https://discourse.abinit.org/t/runtime-error-when-using-paw-m-pawrhoij-netcdf-name-contains-illegal-characters/3799>\
**Category:** Ground state\
**Created:** [January 28, 2026, 11:26am UTC](https://discourse.abinit.org/t/runtime-error-when-using-paw-m-pawrhoij-netcdf-name-contains-illegal-characters/3799 "2026-01-28T11:26:57Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![myrta](https://discourse.abinit.org/letter_avatar_proxy/v4/letter/m/b19c9b/32.png) [@myrta](https://discourse.abinit.org/u/myrta)\
**Post date:** [January 28, 2026, 11:26am UTC](https://discourse.abinit.org/t/runtime-error-when-using-paw-m-pawrhoij-netcdf-name-contains-illegal-characters/3799/1 "2026-01-28T11:26:57Z")

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Hello,

I am running abinit10.4.7 on an Optiplex. I compliled the code and ran a few GS calculations with NC pseudopotentials wihtout issues. However when trying to run the PAW tutorial I got the following runtime error

— !ERROR  
src\_file: m\_pawrhoij.F90  
src\_line: 2500  
mpi\_rank: 0  
message: |  
No msg from caller - NetCDF library returned: `NetCDF: Name contains illegal characters`  
…

I am linking the netcdf/netcdf-f from the Ubuntu distro - but clearly these are not working well along with the code. Any advice on how to compile/link the libraries is welcome. I am attaching in/out/log of the run and the configuration/config.log for the code.  
[abi\_abort.tgz](https://discourse.abinit.org/uploads/short-url/yGwtznKsK6xUp4wXwRTWydozaeg.tgz) (45.4 KB)

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<div class="post-metadata">

**Author:** ![myrta](https://discourse.abinit.org/letter_avatar_proxy/v4/letter/m/b19c9b/32.png) [@myrta](https://discourse.abinit.org/u/myrta)\
**Post date:** [February 2, 2026, 12:11pm UTC](https://discourse.abinit.org/t/runtime-error-when-using-paw-m-pawrhoij-netcdf-name-contains-illegal-characters/3799/2 "2026-02-02T12:11:27Z")

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I guess this is more of a building Abinit question. Anyway, it is not even a real Abinit issue but one with netcdf/netcdff on my system ☹