You cannot delete the primary address. Please create another address and assign it as the primary address before attempting to delete this address. (en)
You cannot delete the primary email address. Please create another email address and assign it as the primary email address before attempting to delete this email address. (en)
You cannot delete the primary phone number. Please create another phone number and assign it as the primary phone number before attempting to delete this phone number. (en)
You cannot delete the primary web address. Please create another web address and assign it as the primary web address before attempting to delete this web address. (en)