First Steps
You know how to tell offline from local-only mode, what each one still allows and how each one ends.
KOSMA has two states in which some controls are greyed out: offline and local-only mode. In both states, the Project Manager stays open.
Offline means that your computer cannot reach the KOSMA server. When the connection drops, KOSMA briefly shows this message:
You're offline — showing local data
You can edit, calculate and save as usual. Offline, KOSMA saves your changes only on your computer. You stay signed in. KOSMA greys out the actions for which it needs the server. These are **Project** (create a project), sharing a dataset (a budget, for example), **Account Admin**, **Upgrade License** and **Log Out**. When you point at one of them, KOSMA shows this tooltip:
Unavailable while offline
When the connection returns, the offline state ends by itself.
In local-only mode, KOSMA reaches the server. The sign-in stored on your computer is no longer valid. There are three causes:
- You signed in on a second device. Only one sign-in can be active at a time. - You have not used KOSMA for about 30 days. - Someone removed your account or your seat in the team.
KOSMA shows, in the left panel, the **Log In Again** button and this message:
Your session ended — you signed in on another device, or it expired. Local projects stay open for reading and export; log in again to keep editing.
KOSMA greys out **Project** (create a project), sharing a dataset, **Account Admin** and **Upgrade License**. When you point at one of them, KOSMA shows this tooltip:
Unavailable until you log in again
**Log Out** now reads **Clear local session** and stays available. If you click it, KOSMA deletes only the sign-in stored on your computer. Your projects do not change. While local-only mode lasts, you can read, print and export the open project. You cannot edit anything.
Local-only mode does not end by itself. To end it, click **Log In Again** and sign in. For the sign-in itself, see [log in to KOSMA](/kb/article/log-in-to-kosma). If someone removed your account or your seat, the sign-in fails. KOSMA then shows this message:
Your account is unavailable — logging in was refused. Local projects stay open for reading and export; contact your team admin to restore access.
Ask your team admin to restore your access.
In both states, you cannot open a project that you have never opened on this computer. There is no local file for it. Open the project once KOSMA is connected again and you are signed in. See [open a project](/kb/article/open-a-project).
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