Why does simulation fail for the Triple-Speed Ethernet Intel® FPGA IP Multiport Design Example? - Why does simulation fail for the Triple-Speed Ethernet Intel® FPGA IP Multiport Design Example? Description Due to a problem in the Intel® Quartus® Prime Pro Edition Software version 22.3, the Triple-Speed Ethernet Intel® FPGA IP simulation fail for Multiport Design Example in various simulators with the error message as shown below. VCS* simulator Error-[DECSPE] Decryption failed basic_avl_tb_top_mac_pcs.sv, 23 Error while decrypting source file Failed to load key needed to decrypt data_block. No key_block found for VCS. Please use vcs RSA public key and pragma expressions to identify the keyblock mentioned in vcs documentation while encrypting to be able to decrypt with vcs. "basic_avl_tb_top_mac_pcs.sv", 23 2. Xcelium* simulator xmvlog: *F,DECERR (./basic_avl_tb_top_mac_pcs_nc.sv,22|26): Error while decrypting : unable to load key :(invalid/blank keyOwner/KeyName (file ),may be wrong key is used for encryption/decryption ). xmelab(64): 21.09-s003: (c) Copyright 1995-2021 Cadence Design Systems, Inc. xmelab: *E,NOUNIT: Unable to find a unit named 'basic_avl_tb_top_mac_pcs_nc' in the libraries. xmsim(64): 21.09-s003: (c) Copyright 1995-2021 Cadence Design Systems, Inc. xmsim: *F,NOSNAP: Snapshot 'basic_avl_tb_top_mac_pcs_nc' does not exist in the libraries. 3. Questasim* simulator ** Error: (vlog-13069) ./basic_avl_tb_top_mac_pcs_msim.sv(23): syntax error in protected region. ** Error: ./basic_avl_tb_top_mac_pcs_msim.sv(23): (vlog-13205) Syntax error found in the scope following '<protected>'. Is there a missing '::'? End time: 16:35:05 on Oct 21,2022, Elapsed time: 0:00:00 Errors: 2, Warnings: 0 ** Error: /nfs/site/disks/psg_eda_3/mentor/modelsim_se/2022.2/linux64/linux_x86_64/vlog failed. Error in macro ./run_vsim_mac_pcs.do line 69 /nfs/site/disks/psg_eda_3/mentor/modelsim_se/2022.2/linux64/linux_x86_64/vlog failed. while executing "vlog +acc ./basic_avl_tb_top_mac_pcs_msim.sv" Resolution A patch is available to fix this problem for the Intel® Quartus® Prime Pro Edition Software version 22.3. Download and install patch 0.15 from the appropriate link below. Download patch 0.15 for Windows (Quartus-22.3-0.15-windows.exe) Download patch 0.15 for Linux (Quartus-22.3-0.15-linux.run) Download the Readme for patch 0.15 (Quartus-22.3-0.15-readme.txt) This problem is fixed in version 22.4 of the Intel® Quartus® Prime Pro Edition Software. Custom Fields values: ['novalue'] Troubleshooting 15012302448 False ['Triple-Speed Ethernet IP'] ['FPGA Dev Tools Quartus® Prime Software Pro'] 22.4 22.3 ['Agilex™ 7 FPGAs and SoCs'] ['novalue'] ['novalue'] ['novalue']