******************* This email originates from outside Imperial. Do not click on links and attachments unless you recognise the sender. If you trust the sender, add them to your safe senders list https://spam.ic.ac.uk/SpamConsole/Senders.aspx to disable email stamping for this address. ******************* Dear Nektar++ developers and users, I am planing to use 3D flow datas generated by nek5000. When I run the command on a centos machine, the process fails with errors, as shown below: FieldConvert roCyl_half0.f00100 cyl.fld -------------------------------------------------------------------------- WARNING: There was an error initializing an OpenFabrics device. Local host: master Local device: mlx5_0 -------------------------------------------------------------------------- Field contains unknown variable: X [master:42932] *** Process received signal *** [master:42932] Signal: Aborted (6) [master:42932] Signal code: (-6) [master:42932] [ 0] /lib64/libpthread.so.0(+0xf630)[0x7f85cfcf4630] [master:42932] [ 1] /lib64/libc.so.6(gsignal+0x37)[0x7f85cf94d387] [master:42932] [ 2] /lib64/libc.so.6(abort+0x148)[0x7f85cf94ea78] [master:42932] [ 3] /share/home/user1/nektar++/build/dist/lib64/libFieldUtils.so.5.6.0(_ZN6Nektar10FieldUtils12InputNek50009v_ProcessERN5boost15program_options13variables_mapE+0xe70)[0x7f85d3db2590] [master:42932] [ 4] FieldConvert[0x41e615] [master:42932] [ 5] FieldConvert[0x41b47e] [master:42932] [ 6] /lib64/libc.so.6(__libc_start_main+0xf5)[0x7f85cf939555] [master:42932] [ 7] FieldConvert[0x41dad2] [master:42932] *** End of error message *** Aborted (core dumped) While I also tried a 2D case on my laptop, it neither doesn't pass the procession. I wonder if I did the correct things, and thank you in advance! regards, Wei FieldConvert cylinder2D0.f00100 cyl.fld Field contains unknown variable: X [Harqin:55513] *** Process received signal *** [Harqin:55513] Signal: Abort trap: 6 (6) [Harqin:55513] Signal code: (0) [Harqin:55513] [ 0] 0 libsystem_platform.dylib 0x00000001878fe584 _sigtramp + 56 [Harqin:55513] [ 1] 0 libsystem_pthread.dylib 0x00000001878cdc20 pthread_kill + 288 [Harqin:55513] [ 2] 0 libsystem_c.dylib 0x00000001877daa30 abort + 180 [Harqin:55513] [ 3] 0 libFieldUtils.5.5.0.dylib 0x0000000100a784dc _ZN6Nektar10FieldUtils12InputNek50009v_ProcessERN5boost15program_options13variables_mapE + 5284 [Harqin:55513] [ 4] 0 FieldConvert 0x00000001002f7b5c _Z9RunModuleNSt3__110shared_ptrIN6Nektar10FieldUtils6ModuleEEERN5boost15program_options13variables_mapEb + 820 [Harqin:55513] [ 5] 0 FieldConvert 0x00000001002f24e8 main + 18272 [Harqin:55513] [ 6] 0 dyld 0x0000000187543154 s tart + 2476 [Harqin:55513] *** End of error message *** zsh: abort FieldConvert cylinder2D0.f00100 cyl.fld