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I'm working on a ClientScript (*SuiteScript 2.1)* script that copies a *Purchase Order* and delete a line before saving. But I have an error on deleting the line. Could anyone help me find out what's wrong?
Here’s the relevant part of my code:

The relevant part of code seems a bit empty, that might be the issue :sweat_smile:

Sorry :rolling_on_the_floor_laughing: :

PS : this is the error : Failed to remove line fais de mutation: Cannot read properties of undefined (reading 'itemType')

Here's my code:

`try {`
    console.log("between", poId);
    var copiedPurchaseOrder = record.copy({
        type: record.Type.PURCHASE_ORDER,
        id: poId,
        isDynamic: true,
    });

    copiedPurchaseOrder.setValue({
        fieldId: "location",
        value: selectedLocation,
        ignoreFieldChange: true,
        fireSlavingSync: true,
    });

    // Set the user
    copiedPurchaseOrder.setValue({
        fieldId: "recordcreatedby",
        value: currentUser,
        ignoreFieldChange: true,
        fireSlavingSync: true,
    });

    copiedPurchaseOrder.setValue({
        fieldId: "memo",
        value: memoText,
        ignoreFieldChange: true,
        fireSlavingSync: true,
    });

    console.log("location", selectedLocation);
    console.log("after", poId);

    var purchaseNewId = copiedPurchaseOrder.save();

    var newPO = record.load({
        type: record.Type.PURCHASE_ORDER,
        id: purchaseNewId,
        isDynamic: true,
    });

    var newPoTranId = newPO.getValue({
        fieldId: "tranid",
    });

    const lineCount = newPO.getLineCount({
        sublistId: "item",
    });

    try {
        if (lineCount &gt; 0) {
            newPO.selectLine({ sublistId: "item", line: 3 });
            newPO.removeLine({
                sublistId: "item",
                line: 3,
                ignoreRecalc: true,
            });
            console.log("Line removed successfully");
        }
    } catch (error) {
        console.log("Failed to remove line: " + error.message);
    }

    newPO.save({
        enableSourcing: true,
        ignoreMandatoryFields: true,
    });
} catch (copyError) {
    console.error("Error copying Purchase Order:", copyError);
}

Do you have 4 lines? You're working with line 3 (0,1,2,3)
You also don't seem to be referencing itemType in this snippet unless I'm being blind.

I am not referencing ItemType but this is the error i get. Don't know why