
ZulkifliF.43069 (Customer) asked a question.
Hello!
I got this error message on the system log when requesting a token.
OIDC token request
failure: pkce_missing_verifier
I have the Require PKCE as additional verification unchecked on the Client Credentials section of the Application settings.
Did i miss something?
Thanks!

Hi @ZulkifliF.43069 (Customer) , Thank you for reaching out to the Okta Community!
Something similar was mentioned in an older post. Please check it out:
https://support.okta.com/help/s/question/0D51Y0000AOgNScSQN/failure-pkcemissingverifier?language=en_US
If my answer helped, remember to mark it as best to increase its visibility for other members of the Okta Community who might have the same questions as you.
Hope my answer helps!
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The link seems broken in the response, pl check below link for same.
https://devforum.okta.com/t/the-authorization-code-is-invalid-or-has-expired/1160/8