This article describes common problems that may occur when installing, updating, or using Lagom WHMCS Client Theme Extensions (opens new window).
Use the sections below to find the issue that matches your case and follow the suggested steps.
Use of incompatible version of Lagom WHMCS Client Theme and Lagom Extensions could cause various issues. That's why before performing upgrade or installation of Lagom Extensions, you need to check if specific version is compatible with Lagom WHMCS Client Theme version which you currently use on your WHMCS server.
If you are already installed incompatible Lagom Extension version, you have 2 options: