Enabling SSL with XAMPP issue in windows 10

I have an issue with XAMPP when I try to setup http to https in local server. I flowing this instruction. When I run makecert.bat file using cmd then terminal show flowing error.

Generating a 2048 bit RSA private key
......+++
..................................+++
writing new private key to 'privkey.pem'
Enter PEM pass phrase:
18548:error:28069065:lib(40):UI_set_result:result too small:.\crypto\ui\ui_lib.c:830:You must type in 4 to 511 characters
18548:error:0906406D:PEM routines:PEM_def_callback:problems getting password:.\crypto\pem\pem_lib.c:116:
18548:error:0907E06F:PEM routines:DO_PK8PKEY:read key:.\crypto\pem\pem_pk8.c:130:
unable to load Private Key
11920:error:0906D06C:PEM routines:PEM_read_bio:no start line:.\crypto\pem\pem_lib.c:707:Expecting: ANY PRIVATE KEY
server.csr: No such file or directory
Could Not Find C:\xampp\apache\server.csr
The system cannot find the file specified.
The system cannot find the file specified.

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Das Zertifikat wurde erstellt.
The certificate was provided.

Press any key to continue . . .

I don't understand how to fix this error. I found a solution here. But it's not working. I found useful link here about the makecert.bat file.

I don't understand how to fix this issue. I need help.

• My XAMPP version: 7.1.11-0-VC14

• Windows Edition: Windows 10 Education

• Version: 1709

• OS Build: 16299.64