Lost Data when upgrading

I have upgraded my Cashbook program from version 2013 to version 2016, and it seems that my data has disappeared.

It is possible that you are not working in the correct company.

To ensure that you are in the correct company:

• Click on the File > Companies menu option. 
• Click on the company you want.
• Click on the Select button.  

If you still cannot locate the correct data, please contact Practical Systems.