Zoho Invoice - CRM -One integration questions

I have Zoho Invoice as part of the Zoho One package. Yet it will not let me add users.

1. When in Zoho Invoice > Users & Roles, there is no 'INVITE' option for adding any of the four CRM/Zoho One users. And when I click on the Users tab, I get an internal server error on a page with a long url but that has zoho books in the url. I have emailed support and not received an answer so trying here.

2. When in Zoho Invoice, I am trying to sync 'invoices and estimates' with Zoho CRM. But when I click enable on this feature, it says my CRM Edition does not support this module. That can't be right. Is there a setting I need to enable in CRM?

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Sticky Posts
Zoho Invoice Will Soon Discontinue Support for Older Browser Versions
Hello users, Starting from May 15, 2024, Zoho Invoice will no longer support the following browser versions: Browsers Version Restrictions Firefox Browser Versions older than 100 Google Chrome Versions older than 100 Microsoft Edge Versions older than
Bulk Printing now available in Zoho Invoice
Hello, We are happy to announce the much requested and much awaited feature in Zoho Invoice - Bulk Printing of Estimates and Invoices. All you need to do is, select the invoices you wish to print and then click the 'Print' button. All the invoices will be downloaded as a single PDF file which can be printed as you wish. You can print upto 25 invoices at a single go. Go ahead and give it a shot and let us know how it worked for you. Regards, Reshma
Introducing the iPhone App for Zoho Invoice
Now you can invoice on the go from your iPhone through the Zoho Invoice iPhone app. Our iPhone app is available at the apps store for download. The app is special in more ways than one: An impeccable UI takes your invoicing experience to a whole new level That's a first native app we've come up with It's available for FREE!!!!! Yeah, absolutely Free. No brainer there, we just wanted to make our users to enjoy the app no strings attachedHere some snapshots of the app: For the real experience, head