If you have uninstalled Cumulus 9 before running the Cumulus 10 upgrade, you may need to remap your catalog paths.
STEP 1: Go to File -> Administration -> Server Console
STEP 2: Inside the Server Console go to Remote Admin -> Settings -> Remote File Browser Sections
STEP 3: Click the "Add..." button to set new paths for Catalogs and Logs
/usr/local/Cumulus_Enterprise_Server/catalogs
/usr/local/Cumulus_Enterprise_Server/var/logs
STEP 4: Go back to File -> Open Catalog...
STEP 5: From the Catalog Access window, click "Add to List..." to select the Catalog you need.