InDesign 2024 crash while opening a document which uses a custom C++ plugin

Hi @asaxena ,

if you are able to open the document without a layout window, you could export to IDML, open the IDML file and save it to a new named document.

ExtendScript code below, read also into my comments in the code:

// To avoid messages set the user interaction level to "Never interact":
app.scriptPreferences.userInteractionLevel = UserInteractionLevels.NEVER_INTERACT ;

var getINDDFile = File.openDialog
(
	"Open InDesign File" ,
	"*.indd",
	false
);

if( getINDDFile == null )
{
	alert( "NO INDD FILE SELECTED." );
	// Reset script preferences:
	app.scriptPreferences.userInteractionLevel = UserInteractionLevels.INTERACT_WITH_ALL ;
	exit();
};

// Open INDD file WITHOUT a layout window:
app.open( getINDDFile , false );

var doc = app.documents[0];
var docFilePath = doc.filePath;

var idmlFileName = doc.name.replace(/\.indd$/ , "-IDML.idml" );
var idmlFile = File( docFilePath +"/"+ idmlFileName );

// Export doc without layout window to IDML:
app.documents[0].exportFile( ExportFormat.INDESIGN_MARKUP , idmlFile );

// Close original document without saving:
app.documents[0].close( SaveOptions.NO );

// Open exported IDML file without a layout window:
app.open( idmlFile , false );

var newDocName = idmlFileName.replace( /\.idml$/ , ".indd" );
var newDocFile = File( docFilePath +"/"+ newDocName );

app.documents[0].save( newDocFile );
app.documents[0].close( SaveOptions.NO );

// Resetting the script preferences:
app.scriptPreferences.userInteractionLevel = UserInteractionLevels.INTERACT_WITH_ALL ;

alert( "Done" );

Code tested with InDesign 2024 version 19.5.0.84 on macOS.

No idea, if that will help in your case.

Regards,
Uwe Laubender
( Adobe Community Expert )

Sounds like that UID is supposed to refer to a preflight profile, Could be the active prefilght profile that is exercised on load unless you disable preflight that hard way removing its plugin?

Not being able to get the class ID means there is no such object, it was deleted,