(faq)=
# FAQ

This page contains some frequently asked questions. Please consult this page before raising a GitLab issue!

## Errors ...

... `Missing orto_orca_load environment variable or --orca_load argument`

    Orto needs to know which module you'd like to load for _ORCA_.
    You need to either set the `orto_orca_load` environment variable, or use the `--orca_load` command line optional argument.

... `'orto' is not recognized as an internal or external command, operable program or batch file.`

    You are attempting to run `orto` in a command prompt window that does not have python enabled/installed. *We do not offer support/help for this.*

## I want to...

... change the plot font family

    Read the instructions [here](#env_vars)