synth_design failed

[mahuatong111]

Hi everyone, I'm getting an error while generating a bitstream, I don't know what's the reason for this, I hope someone can help me out, I'd appreciate it.
vivado version : 2019.1
ubuntu : 18.04
Enter the command steps:
git clone https://github.com/pulp-platform/pulpissimo.git
cd pulpissimo
git checkout 77930fa
make checkout
cd fpga
make nexys_video
Error message:
Top: xilinx_pulpissimo
INFO: [Device 21-403] Loading part xc7a200tsbg484-1
ERROR: [Synth 8-1031] dm is not declared [/home/mk/risc-v2020/pulpissimo/ips/pulp_soc/rtl/pulp_soc/pulp_soc.sv:14]
ERROR: [Synth 8-1031] dm is not declared [/home/mk/risc-v2020/pulpissimo/ips/pulp_soc/rtl/pulp_soc/pulp_soc.sv:284]
ERROR: [Synth 8-1031] dm is not declared [/home/mk/risc-v2020/pulpissimo/ips/pulp_soc/rtl/pulp_soc/pulp_soc.sv:289]
ERROR: [Synth 8-1031] dm is not declared [/home/mk/risc-v2020/pulpissimo/ips/pulp_soc/rtl/pulp_soc/pulp_soc.sv:290]
ERROR: [Synth 8-1031] dm is not declared [/home/mk/risc-v2020/pulpissimo/ips/pulp_soc/rtl/pulp_soc/pulp_soc.sv:293]
ERROR: [Synth 8-1031] dm is not declared [/home/mk/risc-v2020/pulpissimo/ips/pulp_soc/rtl/pulp_soc/pulp_soc.sv:348]
ERROR: [Synth 8-1031] dm is not declared [/home/mk/risc-v2020/pulpissimo/ips/pulp_soc/rtl/pulp_soc/pulp_soc.sv:349]
INFO: [Synth 8-2350] module pulp_soc ignored due to previous errors [/home/mk/risc-v2020/pulpissimo/ips/pulp_soc/rtl/pulp_soc/pulp_soc.sv:14]
Failed to read verilog '/home/mk/risc-v2020/pulpissimo/ips/pulp_soc/rtl/pulp_soc/pulp_soc.sv'
2 Infos, 2 Warnings, 0 Critical Warnings and 8 Errors encountered.
synth_design failed
ERROR: [Vivado_Tcl 4-5] Elaboration failed - please see the console for details
INFO: [Common 17-206] Exiting Vivado at Tue Jan 21 10:06:45 2025...
Makefile:11: recipe for target 'all' failed
make[1]: *** [all] Error 1
make[1]: 离开目录“/home/mk/risc-v2020/pulpissimo/fpga/pulpissimo-nexys_video”
Makefile:30: recipe for target 'nexys_video' failed
make: *** [nexys_video] Error 2