Hi
i'm working on a project with a colleague who is in a different country, he has modified the pipe spec we are using, i have copied it over to my server but when i try to 'update from spec' it says 'Component contains an unknown spec reference and cannot be update'
Hope this link helps you
communities.bentley.com/.../repairing-missing-component-data-in-autoplant-3d-2004-edition-cs.aspx