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Computing Basics for DUNE - Revised 2025 edition: Common Error Messages

Common Error Messages

Table of Contents for Common-Error-Messages

Error: /usr/bin/xauth: unable to write authority file

These likely means your kerberos ticket was not forwarded and you can’t access your home are without it. do a kinit in your terminal session. Or possibly you really have filled your home area.

bash: setup: command not found

setup is a UPS command. You need to be running in the Apptainer and setup the DUNE ups system - check out the instructions in SL7 setup

SyntaxError: future feature annotations is not defined

This looks like a bad python version, try doing which python if it isn’t > 3.9 you don’t have a modern python version.

setup root -v v6_28_12 -q e26:p3915:prof
spack load root@6.28.12

Spack : Error: somecode matches multiple packages

  Matching packages:
    jhpj2js somecode@6.28.06%gcc@12.2.0 arch=linux-almalinux9-x86_64_v2
    sfwfmqo somecode@6.28.12%gcc@12.2.0 arch=linux-almalinux9-x86_64_v2
  Use a more specific spec (e.g., prepend '/' to the hash).

Choose a version and then

  spack load somecode@6.28.12

We do not suggest using the hash as then how do you know what you did?