"Invalid value passed for Product ID" Error in Zoho Flow "Create Sales Order" Node

"Invalid value passed for Product ID" Error in Zoho Flow "Create Sales Order" Node

Hello Zoho Community,

I’m facing an issue with Zoho Flow while trying to create a sales order in Zoho Inventory using the "Create Sales Order" node. Here’s a detailed explanation of my setup and the problem:

What I’m Trying to Achieve

I’m building an automation in Zoho Flow to create sales orders in Zoho Inventory based on orders received from an external platform. The process involves:

  1. Fetching items from Zoho Inventory using their SKU.
  2. Creating a sales order in Zoho Inventory with the fetched items.

My Setup

  • I have a custom function (fetchItems) that fetches items from Zoho Inventory using the SKU via the Zoho Inventory API (/items endpoint). This function works perfectly and returns a list of items in the following format:
    json

    [ { "item_id": "XXXX", "quantity": 2, "rate": 151.56, "ean": "YYYY" } ]
    The item_id is fetched as a string from the API response and converted to a number using toLong() in some attempts (I’ve tried both string and number formats).
  • I then use a decision node to check if the fetchItems output is not empty (fetchItems_1.itemsList.size() > 0), which passes successfully.
  • Finally, I use the "Create Sales Order" node in Zoho Flow to create a sales order in Zoho Inventory. The node is configured as follows:
    • Organization: Correct organization ID (verified).
    • Connection: A Zoho Inventory connection with ZohoInventory.items.READ and ZohoInventory.salesorders.CREATE scopes.
    • Customer ID, Sales Order Number, and Sales Order Date: Populated from the trigger.
    • Items: I map the fetchItems_1.itemsList directly to the "Items" field using the "Insert Variable" option.

The Issue

The "Create Sales Order" node consistently fails with the error:

"Zoho Inventory says 'Invalid value passed for Product ID'"

What I’ve Tried

  1. Item ID Format:
    • Initially, I kept the item_id as a string (as returned by the /items API).
    • I also tried converting the item_id to a number using toLong() in the fetchItems function, but the error persists in both cases.
  2. Organization ID:
    • I verified that the organization ID used in the fetchItems function (for fetching items) and the "Create Sales Order" node is the same.
  3. Connection:
    • The connection used in the "Create Sales Order" node has the required scopes (ZohoInventory.items.READ and ZohoInventory.salesorders.CREATE).
    • I re-authenticated the connection to ensure it’s up to date.
  4. Item Status:
    • I checked the item in Zoho Inventory (via the UI) and confirmed that the item_id exists, the item is active, and it’s a sales item with available stock.
  5. Direct API Call:
    • As a workaround, I tried creating the sales order directly via the Zoho Inventory API (/salesorders endpoint) using a POST request in a custom function. However, I’d prefer to use the "Create Sales Order" node for simplicity.

Questions

  1. Why is the "Create Sales Order" node rejecting the item_id even though it’s valid and exists in Zoho Inventory?
  2. Does the "Create Sales Order" node expect the item_id in a specific format (string or number)?
  3. Could there be an issue with the connection or scopes that I might have overlooked?
  4. Are there any specific item settings in Zoho Inventory that could prevent an item from being added to a sales order?

Any help or suggestions would be greatly appreciated! I can provide more details about my setup if needed (without sharing sensitive data).

Thank you,

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