Why does not it work? or what am I doing wrong?

[Darkrogua]

Hello, that the author of the plugin, that your fork does not work for me. Tell me what I'm doing wrong
OctoberCMS v2.2.27, Passport 9.3.2, PHP 7.4.3

installed the plugin without migration because they are incorrect
performed migrations - php artisan migrate
create keys - php artisan passport:keys
create new user, RainLab.Users
create new client - php artisan passport:client
trying to get a token - request from the instruction with your data
{ "error": { "code": "WRONG_ARGS", "http_code": 400, "message": "Client authentication failed" } }