If you use the iPhone or iPad Apps can you please update to the latest version.
As there have been a number of bug fixes and improvements. To do this
Please click on the ‘App Store’ icon, then on the ‘Updates’ button at the bottom of the screen.
And then click on the ‘Update’ button next to Gas Engineer Software.
or click on this link on your iPhone or iPad and then on the ‘Upgrade’ button next to Gas Engineer Software.