ID:18891 Feature <name> is only available with a valid license. You can purchase this feature to gain full access to it.

CAUSE: You selected a feature in the Quartus Prime software, but the software's license file does not support this feature, or the license file does not exist.

ACTION: Click OK to close the message dialog box. If you do not want to use the feature, no action is required. Otherwise, you can obtain a Quartus Prime license file from the Licensing section of the Intel FPGA web site.