https://forum.groupdocs.cloud/t/invalid-client-error-on-node-js-parse/3150/2
here
Client id 912afc91-4e11-4a34-b84c-27fb8a26c80b
Client secret 5eaab5243b7965f67bf9fbe0c63fa9ba...you please point me to the source from which you got this code?...problem, I also looked in other sources, in fact the principle of operation...