SSO login is not working intermittently. Shows "There is a problem with your account. Please contact the site's administrator."

SSO login is not working intermittently. I am following DiscourseConnect documentation for sso setup. It was working fine for almost a year but now for some users, it shows “There is a problem with your account. Please contact the site’s administrator.”

However, it works fine when the same user logs in after a day or two.
Upon enabling verbose logging, I can see the following logs but can’t understand its reason.

Message (308 copies reported)
 
Job exception: Access Denied
 
 
Backtrace
 
/var/www/discourse/vendor/bundle/ruby/3.2.0/gems/aws-sdk-core-3.130.2/lib/seahorse/client/plugins/raise_response_errors.rb:17:in `call'
/var/www/discourse/vendor/bundle/ruby/3.2.0/gems/aws-sdk-s3-1.114.0/lib/aws-sdk-s3/plugins/sse_cpk.rb:24:in `call'
/var/www/discourse/vendor/bundle/ruby/3.2.0/gems/aws-sdk-s3-1.114.0/lib/aws-sdk-s3/plugins/dualstack.rb:27:in `call'
/var/www/discourse/vendor/bundle/ruby/3.2.0/gems/aws-sdk-s3-1.114.0/lib/aws-sdk-s3/plugins/accelerate.rb:56:in `call'
/var/www/discourse/vendor/bundle/ruby/3.2.0/gems/aws-sdk-core-3.130.2/lib/aws-sdk-core/plugins/checksum_algorithm.rb:111:in `call'
/var/www/discourse/vendor/bundle/ruby/3.2.0/gems/aws-sdk-core-3.130.2/lib/aws-sdk-core/plugins/jsonvalue_converter.rb:22:in `call'
/var/www/discourse/vendor/bundle/ruby/3.2.0/gems/aws-sdk-core-3.130.2/lib/aws-sdk-core/plugins/idempotency_token.rb:19:in `call'
/var/www/discourse/vendor/bundle/ruby/3.2.0/gems/aws-sdk-core-3.130.2/lib/aws-sdk-core/plugins/param_converter.rb:26:in `call'
/var/www/discourse/vendor/bundle/ruby/3.2.0/gems/aws-sdk-core-3.130.2/lib/seahorse/client/plugins/request_callback.rb:71:in `call'
/var/www/discourse/vendor/bundle/ruby/3.2.0/gems/aws-sdk-core-3.130.2/lib/aws-sdk-core/plugins/response_paging.rb:12:in `call'
/var/www/discourse/vendor/bundle/ruby/3.2.0/gems/aws-sdk-core-3.130.2/lib/seahorse/client/plugins/response_target.rb:24:in `call'
/var/www/discourse/vendor/bundle/ruby/3.2.0/gems/aws-sdk-core-3.130.2/lib/seahorse/client/request.rb:72:in `send_request'
/var/www/discourse/vendor/bundle/ruby/3.2.0/gems/aws-sdk-s3-1.114.0/lib/aws-sdk-s3/client.rb:4362:in `get_bucket_lifecycle_configuration'
/var/www/discourse/lib/s3_helper.rb:203:in `update_lifecycle'
/var/www/discourse/lib/s3_helper.rb:234:in `update_tombstone_lifecycle'
/var/www/discourse/lib/file_store/s3_store.rb:205:in `purge_tombstone'
/var/www/discourse/app/jobs/scheduled/purge_deleted_uploads.rb:9:in `execute'
/var/www/discourse/app/jobs/base.rb:292:in `block (2 levels) in perform'
/var/www/discourse/vendor/bundle/ruby/3.2.0/gems/rails_multisite-5.0.0/lib/rails_multisite/connection_management.rb:82:in `with_connection'
/var/www/discourse/app/jobs/base.rb:279:in `block in perform'
/var/www/discourse/app/jobs/base.rb:275:in `each'
/var/www/discourse/app/jobs/base.rb:275:in `perform'
/var/www/discourse/app/jobs/base.rb:346:in `perform'
/var/www/discourse/vendor/bundle/ruby/3.2.0/gems/mini_scheduler-0.16.0/lib/mini_scheduler/manager.rb:122:in `process_queue'
/var/www/discourse/vendor/bundle/ruby/3.2.0/gems/mini_scheduler-0.16.0/lib/mini_scheduler/manager.rb:70:in `worker_loop'
/var/www/discourse/vendor/bundle/ruby/3.2.0/gems/mini_scheduler-0.16.0/lib/mini_scheduler/manager.rb:59:in `block (2 levels) in ensure_worker_threads'

Can anyone let me know what may be causing the issue?

Anyone have any idea about what may be the issue?