AD DB Hybrid error log

Hello Everyone
We have set users, roles with AD/Database Hybrid type. connection testing is good and our launched projects are running with this Hybrid connection. no issue.
However I found error logs in gateway , it messages ‘Error finding users.[LDAP: error code 49 - 80090308: LdapErr: DSID-0C090453, comment: AcceptSecurityContext error, data 52e, v3839]’
every 3mins.
AD connection is good, I do not have any idea for this.
Do you know what do I check something for this.?

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