Login to Back Office > click on ‘Settings’ from left menu > click on ‘Shop Settings’ tab in the sub menu of ‘Settings’ > select shop from ‘Select Store’ option > switch on ‘Table Settings’

and click on ‘Save Settings’ at top right > now you will see the ‘Table setting’ tab in the submenu of ‘Settings’  >  to add section and tables please click on ‘Table Settings’ and click on ‘Add Table(add sections)  button at top of the screen > please enter ‘Section Name’, ‘No. of Table’, ‘Guests’ and ‘Table shape’ > as the last step clicks on ‘Create Table’.