The build server or a new developer machine lacks a registered DevExpress license.
The file typically includes:
: When you purchase or obtain a trial for DevExpress components, you typically receive a license file or are provided with a license key. This key or file must be used within your project to unlock the full functionality of the components. devexpress_license.txt
Do include DevExpress_License.txt in your public source code repositories or publish it to production environments. The key is only for development and build-time validation; it is not required by end-users at runtime. License Key for DevExpress .NET Products The build server or a new developer machine