PO Orders SummaryPage under buyer work center shows different column names for a user

We are on 12.1.3 and have noticed that for a certain user in Purchasing when creating a new view under personlize in the po orders summary page form(under buyer work center), the user has some columns (that he can select to create the bew view) that we do not see for instance column names like Accrue at Receipt or schedules overdue by days .What could be the reason for this ?And the user has not renamed any columns so these are original column names.The users gets an internal error when trying to run his views so we are thinking it could be because of these columns that are not available to other users that maybe causing this issue.Could this be due