|Item no.||Error message||Module||Description||How to resolve|
|1||Required param missing, need to supply the required value for the API Required parameter Track quantity on hand is required and must be selected to update an item type to Inventory is missing in the request.||Products and services||Products and services are not marked as "Is service"||Add "Is service" check to a product card.|
|A business validation error has occurred while processing your request. Business Validation Error: When you create an item, if Track quantity on hand is turned off, the item cannot be of type Inventory.||Products and services||Products and services are not marked as "Is service"||
Add "Is service" check to a product card.
|2||Unsupported Operation Operation Create/Update with Deposit turned off from Sales Deposit preference is not supported.||Invoices||Wrong settings in QB > must be updated.||Go to QB > Company Settings > Sales > Sales form Content section, then tick "Deposit" under "Sales". Once this is done, you'll be able to make this update.|
|3||A business validation error has occurred while processing your request. Business Validation Error: The currency of the transaction is invalid for customer/supplier/account.||Invoices||Wrong currency in QB||Client currency in QB must be the same as on the invoice. Change invoice currency.|
|Business Validation Error: Transactions can have only one foreign currency at a time.||Invoices||Client currency in EUR but Invoice done with GBP||Change invoice currency to EUR. Quickbooks allows the client to have only one currency.|
|A business validation error has occurred while processing your request. Business Validation Error: The transaction needs to be in the same currency as the A/R and A/P accounts you use.||Invoices||Client currency was X, but invoice currency and base currency were Y||Change invoice currency to the same currency as client currency. There can be only one currency by invoice.|
|4||Customer Ref is required. Customer Ref is missing in the request.||Contacts||Contact has no "Is client" or "Is supplier" checkbox checked.||1. Mark contact as customer or supplier.
|A business validation error has occurred while processing your request. Business Validation Error: You must select a customer. If the customer isn't on the list, you can add it by typing the name and pressing Enter.||Invoices||Invoice is connected with a contact that is not a customer or supplier.||1. Mark contact as customer or supplier.
|5||Sums in QuickBooks and Scoro will differ due to QuickBooks' rounding rules. Syncing these documents failed.||Bills/Invoices||The final sum in Scoro is calculated before sending it to QuickBooks to make sure that QuickBooks will accept it. In case of too complex digits combined with complex discounts, an error occurs.||1. Simplify the discounts – round it if possible.
2. Simplify the prices – round them if possible.
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