4.2.1.5 Correcting configuration errors
If any of the configuration files open for a given session contain settings that appear not to be valid in their section, or sections that appear not to be valid in their file, the Configuration Manager displays the names of those settings or sections in red. You will need to delete the items, rename them, or move them to a valid location.
> 4 Editing configuration files > 4.2 Editing files with the Configuration Manager > 4.2.1 Understanding how to use the Configuration Manager > 4.2.1.5 Correcting configuration errors