1-) C# DEVEXPRESS RMOS - xtrareports trial versiyon hatasının çözümü this aplication was created sing the trial versiyon

solution explorer -> properties -> licenses.licx -> dosyasını sil ve publish et yani derle olacaktır

kaynak : https://supportcenter.devexpress.com/ticket/details/t343180/can-not-get-rid-of-this-application-was-created-using-the-trial-version-of-the