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Here is my take:

[CODE=javascript]/*

Batch Copy Paths from JPEG to PSD Files - 2 Input Folders.jsx

v1.0 - Stephen Marsh, 1st March 2023

Batch processing added to the following base script:

https://www.photoshopgurus.com/forum/threads/script-error-in-ps-2021.72619/

*/

#target photoshop

(function () {

    if (app.documents.length === 0) {

        try {

            // JPG input folder

            var folder1 = Folder.selectDialog("Select the JPEG folder:");

            if (folder1 === null) {

                alert('Script cancelled!');

                return;

            }

            // PSD input folder

            var folder2 = Folder.selectDialog("Select the PSD folder:");

            if (folder2 === null) {

                alert('Script cancelled!');

                return;

            }

            // Validate input folder selection

            var validateInputDir = (folder1.fsName === folder2.fsName);

            if (validateInputDir === true) {

                alert("Script cancelled as both the input folders are the same!");

                return;

            }

            // Limit the file input to jpg/jpeg

            var list1 = folder1.getFiles(/\.(jpg|jpeg)$/i);

            var list2 = folder2.getFiles(/\.(psd)$/i);

            // Alpha-numeric sort

            list1.sort();

            list2.sort();

            // Validate that folder 1 & 2 lists are not empty

            var validateEmptyList = (list1.length > 0 && list2.length > 0);

            if (validateEmptyList === false) {

                alert("Script cancelled as one of the input folders is empty!");

                return;

            }

            // Validate that the item count in folder 1 & 2 matches

            var validateListLength = (list1.length === list2.length);

            if (validateListLength === false) {

                alert("Script cancelled as the input folders don't have equal quantities of images!");

                return;

            }

            // Select the output folder

            var outputFolder = Folder.selectDialog("Please select the output folder...");

            if (outputFolder === null) {

                // alert('Script cancelled!');

                return;

            }

            // or

            /*

            // Create the output sub-directory

            var outputFolder = Folder(decodeURI(inputFolder + '/Paths Copied to PSD Files'));

            if (!outputFolder.exists) outputFolder.create();

            */

            // Save and set the dialog display settings

            var savedDisplayDialogs = app.displayDialogs;

            app.displayDialogs = DialogModes.NO;

            // Start the file processing counter at zero

            var counter = 0;

            // Perform the processing

            for (var i = 0; i < list1.length; i++) {

                open(list1[i]);

                open(list2[i]);

                //  Set the name of the save doc without extension

                var docName = app.documents[1].name.replace(/\.[^\.]+$/, '');

                // JPEG alphabetically sorts first [0]

                var sourceDoc = app.documents[0];

                // PSD alphabetically sorts second [1]

                var destinationDoc = app.documents[1];

                // Set the JPEG file as the active doc

                app.activeDocument = sourceDoc;

                // Get the first/top path from the JPEG file

                sourceDoc.pathItems[0].select();

                // Copy the selected path

                var copyPathItem = charIDToTypeID("copy");

                executeAction(copyPathItem, undefined, DialogModes.NO);

                // Set the active doc as the rendered Raw file

                app.activeDocument = destinationDoc;

                // Paste the copied path to destination file

                var pastePathItem = charIDToTypeID("past");

                executeAction(pastePathItem, undefined, DialogModes.NO);

                /*

                // Set the path to a clipping path

                activeDocument.pathItems[0].select();

                activeDocument.pathItems[0].makeClippingPath();

                */

                // Close the JPEG file without saving any changes

                sourceDoc.close(SaveOptions.DONOTSAVECHANGES);

                // Set the save path options and save the rendered Raw file as PSD

                var saveFile = File(outputFolder + "/" + docName + ".psd");

                savePSD(saveFile);

                // Close open files

                while (app.documents.length) {

                    app.activeDocument.close(SaveOptions.DONOTSAVECHANGES);

                }

                // Increment the file processing counter for each loop

                counter++;

                function savePSD(saveFile) {

                    psdSaveOptions = new PhotoshopSaveOptions();

                    psdSaveOptions.embedColorProfile = true;

                    psdSaveOptions.alphaChannels = true;

                    psdSaveOptions.layers = true;

                    app.activeDocument.saveAs(saveFile, psdSaveOptions, true, Extension.LOWERCASE);

                }

            }

            app.displayDialogs = savedDisplayDialogs;

            // End of script notification

            app.beep();

            alert('Script completed!' + '\r' + counter + ' files saved to:' + '\r' + outputFolder.fsName);

            // outputFolder.execute();

        } catch (error) {

            while (app.documents.length > 0) {

                app.activeDocument.close(SaveOptions.DONOTSAVECHANGES);

            }

            alert("An unexpected error has occurred!");

        }

    } else {

        alert('Please close all open documents before running this script!');

    }

}());[/CODE]