[ERR] ERG_PATH/lib/std.d not found

[tsoernes]

Running pylyzer yields

[ERR] ERG_PATH/lib/std.d not found 

(base) torstein@x1extreme:~/Downloads/erg$ echo $ERG_PATH
/home/torstein/.erg
(base) torstein@x1extreme:~/Downloads/erg$ which erg
~/.erg/bin/erg
(base) torstein@x1extreme:~/Downloads/erg$ ls -l $ERG_PATH/lib
total 16
drwxr-xr-x. 1 root root  696 april 18 01:03 core
drwxr-xr-x. 1 root root  290 april 18 01:03 core.d
-rw-r--r--. 1 root root 9722 april 18 01:03 LICENCE
drwxr-xr-x. 1 root root 1924 april 18 01:03 pystd
-rw-r--r--. 1 root root  299 april 18 01:03 README.md
drwxr-xr-x. 1 root root  114 april 18 01:03 std
(base) torstein@x1extreme:~/Downloads/erg$ erg --version
Erg 0.6.34

[Orca-bit]

how to solve this

[Orca-bit]

I install erg by cargo, but it's only a binary file
I have no idea how to install these library