Azhar Patel

@hmaddy That could be possible as client client on submit button multiple time, TicketOpenValidation is the best solution where You can manage this Issue

WHMCS didn't provide option for Billing more than 3 year in current version.

You can create your own template by just renaming current theme so on next upgrade it will not overwrite Also without updating template this all changes is not possible some can be possible but not all So better create custom template and make it changes if you can this much technical You can connect me on below link if you need help to achieve above all requirement https://whmcssolution.com/

Hello @Negin Email is required filed and based on email only WHMCS consider each client as Unique

if you can share the Screenshot May be I can fix this for you

Hello @slim Not sure about tool but API's are available for the same. Import possible with custom script with API Do let me know if you need custom Solution

Hello, I want to calculate the product price based on Quantity selected like like 1 - 10 nodes : $3.95 11 - 50 nodes : $2.95 51+ nodes : $1.95 Like if someone pick Quantity 7 then 7x3.95 = 27.65 or if someone pick Quantity 14 then 14x2.95 = 41.3 Same should work on Upgrade too I have to Use this logic with 1 single product and 1 single configoption

Hello @Negar Is this issue sorted? are you getting error on all pages in admin?

@kashifrasool700 Yes that is possible to connect WHMCS to ZOHO or Quickbooks, There is ready module available for Quicknook and even you can integrate Custom API too. Do let me know if you need custom module required. https://whmcssolution.com/contact

you can try stripe

Have you disabled / Deleted any Payment Gateway ?

Approx. how many Configurable options do you have ?

Yes actually it matter of response you get so you need to parse the response correctly. As you are getting funds in account so I think it is mattar of response processing at you WHMCS to mark invoice paid

Hello @temi if you can share the code I can help you

@SeanP Approx. how many custom fields do you have ?