create new booking error

[TrevorG]

We starting testing this app in our organization however we are encountering ta problem. When one of my staff tries to create a manual booking using the calendar in booking she gets this error. 

Sorry couldn't save the event. Please try again

 

Now I thought it may be a permissions thing but she is set to Viewer but the only other levels are guest and admin so not sure.

[#2]

tested this and it seems to be a permissions issue. Is there anyway to create our own role? We need one that can create the manual booking but does not have access to the admin section.