kDETPropertyBusy - Edit is open on the property being set

kDETInvalidCallBack - Invalid call-back (for reasons other than those above)

kDETInvalidReqFunction - Invalid call-back request function

kDETCouldNotFindCustomView - Could not find custom view in info-page

kDETCouldNotFindMenuItem - Could not find menu item

kDETCouldNotRemoveMenuItem - Could not remove item from dynamic menu

kDETCouldNotAddMenuItem - Could not add item to dynamic menu

kDETNoSuchView - No view found with specified property number

kDETInfoPageNotOpen - Info-page not open; request requires an open info-page

kDETUnableToAccessProperty - Property could not be found and/or created

kDETInvalidDSSpec - Could not resolve DSSpec (other than in target; see error above for targets)

kDETRequestedTypeUnavailable - Command item could not be represented in the form requested

kDETUnableToGetCommandItemSpec - Unable to retrieve item specification (internal error, possibly out of memory)

kDETInvalidCommandItemNumber - Command item number invalid (out of range 1..<number of items in selection>)

kDETTargetNotAnAspect - Specified target object was not an aspect

kDETInvalidTarget - Target specification was invalid (for reasons other than those above)

kDETUnknownTargetSelector - Unknown selector type for target specification

kDETInvalidTargetDSSpec - Target DSSpec could not be resolved

kDETInvalidTargetFromNonAspect - Target selection relative to non-aspect object which requires an aspect

kDETInvalidTargetItemNumber - Item number is target invalid (out of range 1..<number of children>)

kDETInvalidTargetAspectName - Could not locate an aspect by name