Got "TypeError (no implicit conversion of Integer into String)" when uploading files

When I try to upload files,I get this error:

==> /var/log/gitlab/gitlab-rails/production.log <==

TypeError (no implicit conversion of Integer into String):
  app/uploaders/object_storage.rb:378:in `store!'
  app/services/lfs/file_transformer.rb:67:in `create_lfs_object!'
  lib/gitlab/metrics/instrumentation.rb:160:in `block in create_lfs_object!'
  lib/gitlab/metrics/method_call.rb:27:in `measure'
  lib/gitlab/metrics/instrumentation.rb:160:in `create_lfs_object!'
  app/services/lfs/file_transformer.rb:36:in `new_file'
  lib/gitlab/metrics/instrumentation.rb:160:in `block in new_file'
  lib/gitlab/metrics/method_call.rb:27:in `measure'
  lib/gitlab/metrics/instrumentation.rb:160:in `new_file'
  app/services/design_management/save_designs_service.rb:116:in `file_content'
  lib/gitlab/metrics/instrumentation.rb:160:in `block in file_content'
  lib/gitlab/metrics/method_call.rb:27:in `measure'
  lib/gitlab/metrics/instrumentation.rb:160:in `file_content'
  app/services/design_management/save_designs_service.rb:64:in `build_design_action'
  lib/gitlab/metrics/instrumentation.rb:160:in `block in build_design_action'
  lib/gitlab/metrics/method_call.rb:27:in `measure'
  lib/gitlab/metrics/instrumentation.rb:160:in `build_design_action'
  app/services/design_management/save_designs_service.rb:59:in `block in build_actions'
  app/services/design_management/save_designs_service.rb:58:in `each'
  app/services/design_management/save_designs_service.rb:58:in `flat_map'
  app/services/design_management/save_designs_service.rb:58:in `build_actions'
  lib/gitlab/metrics/instrumentation.rb:160:in `block in build_actions'
  lib/gitlab/metrics/method_call.rb:27:in `measure'
  lib/gitlab/metrics/instrumentation.rb:160:in `build_actions'
  app/services/design_management/save_designs_service.rb:39:in `block in upload_designs!'
  app/models/design_management/version.rb:107:in `block in with_lock'
  lib/gitlab/exclusive_lease_helpers.rb:38:in `in_lock'
  app/models/design_management/version.rb:105:in `with_lock'
  lib/gitlab/metrics/instrumentation.rb:160:in `block in with_lock'
  lib/gitlab/metrics/method_call.rb:27:in `measure'
  lib/gitlab/metrics/instrumentation.rb:160:in `with_lock'
  app/services/design_management/save_designs_service.rb:38:in `upload_designs!'
  lib/gitlab/metrics/instrumentation.rb:160:in `block in upload_designs!'
  lib/gitlab/metrics/method_call.rb:27:in `measure'
  lib/gitlab/metrics/instrumentation.rb:160:in `upload_designs!'
  app/services/design_management/save_designs_service.rb:22:in `execute'
  ee/app/services/ee/design_management/save_designs_service.rb:10:in `execute'
  app/graphql/mutations/design_management/upload.rb:28:in `resolve'
  app/graphql/types/base_field.rb:46:in `block (2 levels) in resolve_field'
  app/graphql/types/base_field.rb:35:in `block in resolve_field'
  app/graphql/types/base_field.rb:31:in `resolve_field'
  lib/gitlab/graphql/generic_tracing.rb:40:in `with_labkit_tracing'
  lib/gitlab/graphql/generic_tracing.rb:30:in `platform_trace'
  lib/gitlab/graphql/generic_tracing.rb:40:in `with_labkit_tracing'
  lib/gitlab/graphql/generic_tracing.rb:30:in `platform_trace'
  lib/gitlab/graphql/generic_tracing.rb:40:in `with_labkit_tracing'
  lib/gitlab/graphql/generic_tracing.rb:30:in `platform_trace'
  app/graphql/gitlab_schema.rb:43:in `multiplex'
  app/graphql/gitlab_schema.rb:50:in `execute'
  app/controllers/graphql_controller.rb:75:in `execute_query'
  app/controllers/graphql_controller.rb:32:in `execute'
  ee/lib/gitlab/ip_address_state.rb:10:in `with'
  ee/app/controllers/ee/application_controller.rb:44:in `set_current_ip_address'
  app/controllers/application_controller.rb:482:in `set_current_admin'
  lib/gitlab/session.rb:11:in `with_session'
  app/controllers/application_controller.rb:473:in `set_session_storage'
  lib/gitlab/i18n.rb:73:in `with_locale'
  lib/gitlab/i18n.rb:79:in `with_user_locale'
  app/controllers/application_controller.rb:467:in `set_locale'
  lib/gitlab/error_tracking.rb:52:in `with_context'
  app/controllers/application_controller.rb:532:in `sentry_context'
  app/controllers/application_controller.rb:460:in `block in set_current_context'
  lib/gitlab/application_context.rb:56:in `block in use'
  lib/gitlab/application_context.rb:56:in `use'
  lib/gitlab/application_context.rb:22:in `with_context'
  app/controllers/application_controller.rb:451:in `set_current_context'
  lib/gitlab/metrics/elasticsearch_rack_middleware.rb:16:in `call'
  lib/gitlab/middleware/rails_queue_duration.rb:33:in `call'
  lib/gitlab/metrics/rack_middleware.rb:16:in `block in call'
  lib/gitlab/metrics/transaction.rb:56:in `run'
  lib/gitlab/metrics/rack_middleware.rb:16:in `call'
  lib/gitlab/request_profiler/middleware.rb:17:in `call'
  lib/gitlab/jira/middleware.rb:19:in `call'
  lib/gitlab/middleware/go.rb:20:in `call'
  lib/gitlab/etag_caching/middleware.rb:21:in `call'
  lib/gitlab/middleware/multipart.rb:177:in `block in call'
  lib/gitlab/middleware/multipart.rb:63:in `with_open_files'
  lib/gitlab/middleware/multipart.rb:176:in `call'
  lib/gitlab/middleware/read_only/controller.rb:50:in `call'
  lib/gitlab/middleware/read_only.rb:18:in `call'
  lib/gitlab/middleware/same_site_cookies.rb:27:in `call'
  lib/gitlab/middleware/handle_malformed_strings.rb:21:in `call'
  lib/gitlab/middleware/basic_health_check.rb:25:in `call'
  lib/gitlab/middleware/handle_ip_spoof_attack_error.rb:25:in `call'
  lib/gitlab/middleware/request_context.rb:23:in `call'
  config/initializers/fix_local_cache_middleware.rb:9:in `call'
  lib/gitlab/metrics/requests_rack_middleware.rb:76:in `call'
  lib/gitlab/middleware/release_env.rb:12:in `call'

Relevant code:

    def store!(new_file = nil)
      # when direct upload is enabled, always store on remote storage
      if self.class.object_store_enabled? && self.class.direct_upload_enabled?
        self.object_store = Store::REMOTE
      end

      super
    end

I don’t know ruby,I can’t see any conversion here.It seems that it is releated to object storage.But I don’t have any object storage settings.