Go to File > Menus > Utilities Menu
Utilities > Data File Tools > Check Data
Some files will have an @ in front, indicating the Data Dictionary needs updating.
Single click on each file marked, select “Update Data Dictionary”, and then click Start. This should take less than 10 seconds per file.
Some files may have an * in front, indicating they need reorganizing. Reorganize these one at a time. Click on the file, select the Reorganize radio button, click Start. Larger Files will take longer.
Select the operation Check Data, then click Quick Check. If any errors are reported, click Repair.