A family of Microsoft relational database management systems designed for ease of use.
For one thing, you appear to be missing a single quote in your SQL Statement. Try:
Private Sub cmdAdd_Click()
'add data entered to table
CurrentDb.Execute "INSERT INTO Resources([Title], [Author], [Category], [Rating], [Description], [ResourceLocation]) " & _
" VALUES ('" & Me.TitleInput & "','" & Me.AuthorInput & "','" & Me.CategoryInput & "','" & Me.RatingInput & "','" & Me.DescriptionInput & "','" & Me.ResourceLocationInput & "')"
'refresh table to display new data
frmResourceEditorSub.Form.Requery
End Sub