If you find that you are unable to manually add a customer booking into your simpleERB diary or grid view, it may be down to a setting.
Check what days of the week and times your restaurant is open at - https://app.simpleerb.com/restaurant/setup/simple/opentimes.aspx
Check what days you might have set to be closed on at -https://app.simpleerb.com/restaurant/setup/advanced/closeddates.aspx
Check what days you might be partially closed on at - https://app.simpleerb.com/restaurant/setup/advanced/partialopen.aspx
Check that your table layout and restaurant areas are set up correctly to take bookings and that tables have not been missed -
https://app.simpleerb.com/restaurant/setup/simple/tableadmin.aspx
If you only have one restaurant area to take bookings, always make sure the cover box is left bank -
https://app.simpleerb.com/restaurant/setup/simple/areas.aspx
Check your max covers per timeslot is adequate at
.https://app.simpleerb.com/restaurant/setup/simple/numberofcovers.aspx
Check your max covers for a particular time at https://app.simpleerb.com/restaurant/setup/advanced/maxcovers/
Check any areas you might have closed at -https://app.simpleerb.com/restaurant/setup/advanced/closedareas.aspx
Check that your smallest largest bookings at https://app.simpleerb.com/restaurant/setup/advanced/SmallesLargest.aspx
Check any tables you might have closed off to bookings in your table plan at
https://app.simpleerb.com/restaurant/setup/advanced/closedtables.aspx
Also remember if your system is unable to take a larger booking, make sure you have set up table joins at -
https://app.simpleerb.com/restaurant/setup/advanced/tablejoins/
If you find you can only make 'manager bookings' check that your table turn time is not conflicting with your restaurant opening times -