Check you have the Notes Module only once. Multiple same note widgets on the same dashboard are not supported.
'''Housekeeping Units module - Table not being able to be sorted ''' Units can have two conditions in the table, for example a departure and an arrival on the same day. When this happens the table becomes complex and non sortable, . There is an option for the module called "Group by Unit" the default is YES which is the current behavior. Switching it to NO will create a simple always sortable table.