RootCauseunvalidated
NextAuth is sending a PKCE `code_challenge_method` value (e.g., `S256`) that the VK OAuth endpoint for this provider/client does not support.
b357e8b5-f2b9-48e6-bfcb-1cb1fc768931
NextAuth is sending a PKCE code_challenge_method value (e.g., S256) that the VK OAuth endpoint for this provider/client does not support.