## Documentation Index Access the complete documentation index at: https://www.zoho.com/om/books/kb/llms.txt Use this file to discover all available documentation pages before proceeding. [Back](./) # Facing an error “Mandatory Field Unit Price is Missing” while importing invoices in the migration wizard. How do I proceed? ![](/books/images/ue-resources/llm-utility-menu/sparkle-ai.svg) Explore With AI ![](/books/images/ue-resources/llm-utility-menu/dd-arrow.svg) * [Open in ChatGPT (opens in new tab)](https://chatgpt.com/?prompt=Analyze+the+content+of+https%3A%2F%2Fwww.zoho.com%2Fom%2Fbooks%2Fkb%2Fwave-migration%2Fprice-error.html+and+understand+it+thoroughly+so+I+can+ask+questions+about+it.) * [Open in Claude (opens in new tab)](https://claude.ai/new?q=Analyze+the+content+of+https%3A%2F%2Fwww.zoho.com%2Fom%2Fbooks%2Fkb%2Fwave-migration%2Fprice-error.html+and+understand+it+thoroughly+so+I+can+ask+questions+about+it.) * ![Copy for LLM](/books/images/ue-resources/llm-utility-menu/copy.svg) Copy for LLM * [![View as Markdown](/books/images/ue-resources/llm-utility-menu/md.svg) View as Markdown (opens in new tab)](/om/books/kb/wave-migration/price-error.md) Invoices can be downloaded in three different formats from Wave using Google sheets: * Invoice data * Invoice data and line items * Invoice data and payments However, as item details are mandatory in Zoho Books, you’ll have to select the **Invoice data and line items** format while exporting from Wave. If the other formats are selected, the error will be displayed. ![Sample](/books/kb/images/wave/invoice-data.png)