Please, update to new version. of component
You must have version of component not lower 3.5 to make update.
If you have version less 3.5, update for you need do manual
Before making any upgrades, make backup yours site( files and DataBase). With that you will not lost something important
Please do full XML export.
At first please check upgrade/update process at the test website!
If you have custom changes of component or site, you can lose your changes.
Please, in that case do not make update.
If you would like any further information, please do not hesitate to contact us too.