All Intrinsics errors and warnings have class “XtToolkitError”. The following two tables summarize the common errors and warnings that can be generated by the Intrinsics. Additional implementation-dependent messages are permitted. Error Messages Name Type Default Message allocError calloc Cannot perform calloc allocError malloc Cannot perform malloc allocError realloc Cannot perform realloc internalError xtMakeGeometryRequest internal error; ShellClassExtension is NULL invalidArgCount xtGetValues Argument count > 0 on NULL argument list in XtGetValues invalidArgCount xtSetValues Argument count > 0 on NULL argument list in XtSetValues invalidClass applicationShellInsertChild ApplicationShell does not accept RectObj children; ignored invalidClass constraintSetValue Subclass of Constraint required in CallConstraintSetValues invalidClass xtAppCreateShell XtAppCreateShell requires non-NULL widget class invalidClass xtCreatePopupShell XtCreatePopupShell requires non-NULL widget class invalidClass xtCreateWidget XtCreateWidget requires non-NULL widget class invalidClass xtPopdown XtPopdown requires a subclass of shellWidgetClass invalidClass xtPopup XtPopup requires a subclass of shellWidgetClass invalidDimension xtCreateWindow Widget %s has zero width and/or height invalidDimension shellRealize Shell widget %s has zero width and/or height invalidDisplay xtInitialize Can't open display: %s invalidGetValues xtGetValues NULL ArgVal in XtGetValues invalidExtension shellClassPartInitialize widget class %s has invalid ShellClassExtension record invalidExtension xtMakeGeometryRequest widget class %s has invalid ShellClassExtension record invalidGeometryManager xtMakeGeometryRequest XtMakeGeometryRequest - parent has no geometry manager invalidParameter xtAddInput invalid condition passed to XtAddInput invalidParameter xtAddInput invalid condition passed to XtAppAddInput invalidParent xtChangeManagedSet Attempt to manage a child when parent is not Composite invalidParent xtChangeManagedSet Attempt to unmanage a child when parent is not Composite invalidParent xtCreatePopupShell XtCreatePopupShell requires non-NULL parent invalidParent xtCreateWidget XtCreateWidget requires non-NULL parent invalidParent xtMakeGeometryRequest non-shell has no parent in XtMakeGeometryRequest invalidParent xtMakeGeometryRequest XtMakeGeometryRequest - parent not composite invalidParent xtManageChildren Attempt to manage a child when parent is not Composite invalidParent xtUnmanageChildren Attempt to unmanage a child when parent is not Composite invalidProcedure inheritanceProc Unresolved inheritance operation invalidProcedure realizeProc No realize class procedure defined invalidWindow eventHandler Event with wrong window missingWidget fetchDisplayArg FetchDisplayArg called without a widget to reference nonWidget xtCreateWidget attempt to add non-widget child "%s" to parent "%s" which supports only widgets noPerDisplay closeDisplay Couldn't find per display information noPerDisplay getPerDisplay Couldn't find per display information noSelectionProperties freeSelectionProperty internal error: no selection property context for display noWidgetAncestor windowedAncestor Object "%s" does not have windowed ancestor nullDisplay xtRegisterExtensionSelector XtRegisterExtensionSelector requires a non-NULL display nullProc insertChild "%s" parent has NULL insert_child method r2versionMismatch widget Widget class %s must be re-compiled. R3versionMismatch widget Widget class %s must be re-compiled. R4orR5versionMismatch widget Widget class %s must be re-compiled. rangeError xtRegisterExtensionSelector Attempt to register multiple selectors for one extension event type sessionManagement SmcOpenConnection Tried to connect to session manager, %s subclassMismatch xtCheckSubclass Widget class %s found when subclass of %s expected: %s Warning Messages Name Type Default Message ambiguousParent xtChangeManagedSet Not all children have same parent ambiguousParent xtManageChildren Not all children have same parent in XtManageChildren ambiguousParent xtUnmanageChildren Not all children have same parent in XtUnmanageChildren badFormat xtGetSelectionValue Selection owner returned type INCR property with format != 32 badGeometry shellRealize Shell widget "%s" has an invalid geometry specification: "%s" badValue cvtStringToPixel Color name "%s" is not defined communicationError select Select failed; error code %s conversionError string Cannot convert string "%s" to type %s conversionError stringToVisual Cannot find Visual of class %s for display %s conversionFailed xtConvertVarToArgList Type conversion failed conversionFailed xtGetTypedArg Type conversion (%s to %s) failed for widget '%s' displayError invalidDisplay Can't find display structure grabError xtAddGrab XtAddGrab requires exclusive grab if spring_loaded is TRUE grabError xtRemoveGrab XtRemoveGrab asked to remove a widget not on the list initializationError xtInitialize Initializing Resource Lists twice insufficientSpace xtGetTypedArg Insufficient space for converted type '%s' in widget '%s' internalError shell Shell's window manager interaction is broken invalidAddressMode computeArgs Conversion arguments for widget '%s' contain an unsupported address mode invalidArgCount getResources argument count > 0 on NULL argument list invalidCallbackList xtAddCallback Cannot find callback list in XtAddCallback invalidCallbackList xtAddCallback Cannot find callback list in XtAddCallbacks invalidCallbackList xtCallCallback Cannot find callback list in XtCallCallbacks invalidCallbackList xtRemoveAllCallback Cannot find callback list in XtRemoveAllCallbacks invalidCallbackList xtRemoveCallback Cannot find callback list in XtRemoveCallbacks invalidChild xtChangeManagedSet Null child passed to UnmanageChildren invalidChild xtManageChildren null child passed to ManageChildren invalidChild xtManageChildren null child passed to XtManageChildren invalidChild xtUnmanageChildren Null child passed to XtUnmanageChildren invalidChild xtUnmanageChildren Null child found in argument list to unmanage invalidDepth setValues Can't change widget depth invalidExtension xtCreateWidget widget "%s" class %s has invalid CompositeClassExtension record invalidExtension xtCreateWidget widget class %s has invalid ConstraintClassExtension record invalidGrab ungrabKeyOrButton Attempt to remove nonexistent passive grab invalidGrabKind xtPopup grab kind argument has invalid value; XtGrabNone assumed invalidParameters freeTranslations Freeing XtTranslations requires no extra arguments invalidParameters mergeTranslations MergeTM to TranslationTable needs no extra arguments invalidParameters xtMenuPopdown XtMenuPopdown called with num_params != 0 or 1 invalidParameters xtMenuPopupAction MenuPopup wants exactly one argument invalidParent xtCopyFromParent CopyFromParent must have non-NULL parent invalidPopup xtMenuPopup Can't find popup widget "%s" in XtMenuPopup invalidPopup xtMenuPopdown Can't find popup in widget "%s" in XtMenuPopdown invalidPopup unsupportedOperation Pop-up menu creation is only supported on ButtonPress, KeyPress or EnterNotify events. invalidPopup unsupportedOperation Pop-up menu creation is only supported on Button, Key or EnterNotify events. invalidProcedure deleteChild null delete_child procedure for class %s in XtDestroy invalidProcedure inputHandler XtRemoveInput: Input handler not found invalidProcedure set_values_almost set_values_almost procedure shouldn't be NULL invalidResourceCount getResources resource count > 0 on NULL resource list invalidResourceName computeArgs Cannot find resource name %s as argument to conversion invalidShell xtTranslateCoords Widget has no shell ancestor invalidSizeOverride xtDependencies Representation size %d must match superclass's to override %s missingCharsetList cvtStringToFontSet Missing charsets in String to FontSet conversion noActionProc xtCallActionProc No action proc named "%s" is registered for widget "%s" noColormap cvtStringToPixel Cannot allocate colormap entry for "%s" noFont cvtStringToFont Unable to load any usable ISO8859-1 font noFont cvtStringToFontSet Unable to load any usable fontset noFont cvtStringToFontStruct Unable to load any usable ISO8859-1 font notInConvertSelection xtGetSelectionRequest XtGetSelectionRequest or XtGetSelectionParameters called for widget "%s" outside of ConvertSelection proc notRectObj xtChangeManagedSet child "%s", class %s is not a RectObj notRectObj xtManageChildren child "%s", class %s is not a RectObj nullWidget xtConvertVarToArgList XtVaTypedArg conversion needs non-NULL widget handle r3versionMismatch widget Shell Widget class %s binary compiled for R3 translationError nullTable Can't remove accelerators from NULL table translationError nullTable Tried to remove nonexistent accelerators translationError ambiguousActions Overriding earlier translation manager actions. translationError newActions New actions are:%s translationError nullTable table to (un)merge must not be null translationError nullTable Can't translate event through NULL table translationError oldActions Previous entry was: %s %s translationError unboundActions Actions not found: %s translationError xtTranslateInitialize Initializing Translation manager twice. translationParseError missingComma ... possibly due to missing ',' in event sequence. translationParseError nonLatin1 ... probably due to non-Latin1 character in quoted string translationParseError parseError translation table syntax error: %s translationParseError parseString Missing '"'. translationParseError showLine ... found while parsing '%s' typeConversionError noConverter No type converter registered for '%s' to '%s' conversion. unknownType xtConvertVarToArgList Unable to find type of resource for conversion unknownType xtGetTypedArg Unable to find type of resource for conversion versionMismatch widget Widget class %s version mismatch (recompilation needed):\\n widget %d vs. intrinsics %d. wrongParameters cvtIntOrPixelToXColor Pixel to color conversion needs screen and colormap arguments wrongParameters cvtIntToBool Integer to Bool conversion needs no extra arguments wrongParameters cvtIntToBoolean Integer to Boolean conversion needs no extra arguments wrongParameters cvtIntToFloat Integer to Float conversion needs no extra arguments wrongParameters cvtIntToFont Integer to Font conversion needs no extra arguments wrongParameters cvtIntToPixel Integer to Pixel conversion needs no extra arguments wrongParameters cvtIntToPixmap Integer to Pixmap conversion needs no extra arguments wrongParameters cvtIntToShort Integer to Short conversion needs no extra arguments wrongParameters cvtIntToUnsignedChar Integer to UnsignedChar conversion needs no extra arguments wrongParameters cvtStringToAcceleratorTable String to AcceleratorTable conversion needs no extra arguments wrongParameters cvtStringToAtom String to Atom conversion needs Display argument wrongParameters cvtStringToBool String to Bool conversion needs no extra arguments wrongParameters cvtStringToBoolean String to Boolean conversion needs no extra arguments wrongParameters cvtStringToCommandArgArray String to CommandArgArray conversion needs no extra arguments wrongParameters cvtStringToCursor String to cursor conversion needs display argument wrongParameters cvtStringToDimension String to Dimension conversion needs no extra arguments wrongParameters cvtStringToDirectoryString String to DirectoryString conversion needs no extra arguments wrongParameters cvtStringToDisplay String to Display conversion needs no extra arguments wrongParameters cvtStringToFile String to File conversion needs no extra arguments wrongParameters cvtStringToFloat String to Float conversion needs no extra arguments wrongParameters cvtStringToFont String to font conversion needs display argument wrongParameters cvtStringToFontSet String to FontSet conversion needs display and locale arguments wrongParameters cvtStringToFontStruct String to font conversion needs display argument wrongParameters cvtStringToGravity String to Gravity conversion needs no extra arguments wrongParameters cvtStringToInitialState String to InitialState conversion needs no extra arguments wrongParameters cvtStringToInt String to Integer conversion needs no extra arguments wrongParameters cvtStringToPixel String to pixel conversion needs screen and colormap arguments wrongParameters cvtStringToRestartStyle String to RestartStyle conversion needs no extra arguments wrongParameters cvtStringToShort String to Integer conversion needs no extra arguments wrongParameters cvtStringToTranslationTable String to TranslationTable conversion needs no extra arguments wrongParameters cvtStringToUnsignedChar String to Integer conversion needs no extra arguments wrongParameters cvtStringToVisual String to Visual conversion needs screen and depth arguments wrongParameters cvtXColorToPixel Color to Pixel conversion needs no extra arguments wrongParameters freeCursor Free Cursor requires display argument wrongParameters freeDirectoryString Free Directory String requires no extra arguments wrongParameters freeFile Free File requires no extra arguments wrongParameters freeFont Free Font needs display argument wrongParameters freeFontSet FreeFontSet needs display and locale arguments wrongParameters freeFontStruct Free FontStruct requires display argument wrongParameters freePixel Freeing a pixel requires screen and colormap arguments