ERR_NGROK_SHIP_PUBLISH_TARGET_PUSH_CREDENTIAL_NOT_FOUND: No registry credential with the ID ID exists on this account - ngrok documentation

What does ERR_NGROK_SHIP_PUBLISH_TARGET_PUSH_CREDENTIAL_NOT_FOUND mean?

ngrok returns ERR_NGROK_SHIP_PUBLISH_TARGET_PUSH_CREDENTIAL_NOT_FOUND with this message:

No registry credential with the ID <ID> exists on this account. Check 'push_credential_id'.

Where can I get more help with ERR_NGROK_SHIP_PUBLISH_TARGET_PUSH_CREDENTIAL_NOT_FOUND?

Email support@ngrok.com and include the error code.