Category: Tool
Tool: Quartus® Prime Standard Edition 20.1
device:-

*This problem has been fixed in ver.20.1.1.
<Knowledge Base> Error: fp_functions_0: Could not generate name

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<Error message>
Error: fp_functions_0: Could not generate name
Error: fp_functions_0: Failed to generate HDL for current parameters
Warning: fp_functions_0: Cannot Achieve Frequency at any possible latency
Warning: fp_functions_0: Unable to estimate resource usage
Error: add_fileset_file: No such file C:/Users/<user_name>/AppData/Local/Temp/alt8450_3152570505896787405.dir/0002_fp_functions_0_gen/addrfp_altera_fp_functions_201_lwocsly.vhd
while executing
"add_fileset_file $entity_name.vhd VHDL PATH $tmp_dir/$entity_name.vhd"
(procedure "generate" line 44)
invoked from within
"generate $entity_name vhdl"
(procedure "quartus_synth_callback" line 2)
invoked from within
"quartus_synth_callback addrfp_altera_fp_functions_201_lwocsly"
Error: qsys-generate failed with exit code 1: 3 Errors, 2 Warnings

The FP_FUNCTIONS Intel FPGA IP in Quartus® Prime Standard/Lite Edition 20.1 cannot be used due to a bug.
Some files are generated after the error, but don't use them.

A fix is planned for a future release.
Please use ver.19.1 of FP_FUNCTIONS Intel FPGA IP until the bug is fixed.