Due to a problem in the Quartus® Prime Pro Edition Software version 23.2, upgrading an F-Tile Ethernet FPGA Hard IP design example will cause an internal error when attempting to upgrade from version 23.1 if the design is targeted to the Agilex™ 7 FPGA I-Series Transceiver-SoC Development Kit (4x F-Tile).
To work around this problem, generate a new clean Quartus® Prime Pro Edition Software version 23.2 design example from scratch using the same settings from your 23.1 design example.
This problem has been fixed in version 23.3 of the Quartus® Prime Pro Edition Software.