A: You likely forgot to set the environment variable on the production server, or you bundled the key only in a development config file.
: A license key is linked to a major version (e.g., v24.2, v25.1). When you upgrade to a new major version, you must update the key in your code. devextreme license key
A: A DevExtreme license key is a unique code provided by DevExpress that grants you permission to use DevExtreme in your projects. A: You likely forgot to set the environment
