Wiki::EventCreateService: Encoding::CompatibilityError: incompatible character encodings: ASCII-8BIT and UTF-8

https://sentry.gitlab.net/gitlab/gitlabcom/issues/2679099/?referrer=gitlab_plugin

Encoding::CompatibilityError: incompatible character encodings: ASCII-8BIT and UTF-8
  from activerecord (6.1.3.2) lib/arel/collectors/substitute_binds.rb:24:in `join'
  from activerecord (6.1.3.2) lib/arel/collectors/substitute_binds.rb:24:in `add_binds'
  from activerecord (6.1.3.2) lib/arel/visitors/to_sql.rb:340:in `visit_Arel_Nodes_HomogeneousIn'
  from activerecord (6.1.3.2) lib/arel/visitors/visitor.rb:30:in `visit'
  from activerecord (6.1.3.2) lib/arel/visitors/to_sql.rb:779:in `block in inject_join'
  from activerecord (6.1.3.2) lib/arel/visitors/to_sql.rb:777:in `each'
  from activerecord (6.1.3.2) lib/arel/visitors/to_sql.rb:777:in `each_with_index'
  from activerecord (6.1.3.2) lib/arel/visitors/to_sql.rb:777:in `inject_join'
  from activerecord (6.1.3.2) lib/arel/visitors/to_sql.rb:568:in `visit_Arel_Nodes_And'
  from activerecord (6.1.3.2) lib/arel/visitors/visitor.rb:30:in `visit'
  from activerecord (6.1.3.2) lib/arel/visitors/to_sql.rb:779:in `block in inject_join'
  from activerecord (6.1.3.2) lib/arel/visitors/to_sql.rb:777:in `each'
  from activerecord (6.1.3.2) lib/arel/visitors/to_sql.rb:777:in `each_with_index'
  from activerecord (6.1.3.2) lib/arel/visitors/to_sql.rb:777:in `inject_join'
  from activerecord (6.1.3.2) lib/arel/visitors/to_sql.rb:177:in `collect_nodes_for'
  from activerecord (6.1.3.2) lib/arel/visitors/to_sql.rb:157:in `visit_Arel_Nodes_SelectCore'
  from activerecord (6.1.3.2) lib/arel/visitors/to_sql.rb:124:in `block in visit_Arel_Nodes_SelectStatement'
  from activerecord (6.1.3.2) lib/arel/visitors/to_sql.rb:123:in `each'
  from activerecord (6.1.3.2) lib/arel/visitors/to_sql.rb:123:in `inject'
  from activerecord (6.1.3.2) lib/arel/visitors/to_sql.rb:123:in `visit_Arel_Nodes_SelectStatement'
  from activerecord (6.1.3.2) lib/arel/visitors/visitor.rb:30:in `visit'
  from activerecord (6.1.3.2) lib/arel/visitors/visitor.rb:11:in `accept'
  from activerecord (6.1.3.2) lib/arel/visitors/to_sql.rb:18:in `compile'
  from activerecord (6.1.3.2) lib/active_record/connection_adapters/abstract/database_statements.rb:37:in `to_sql_and_binds'
  from activerecord (6.1.3.2) lib/active_record/connection_adapters/abstract/query_cache.rb:99:in `select_all'
  from gitlab/database/load_balancing/connection_proxy.rb:90:in `block in read_using_load_balancer'
  from gitlab/database/load_balancing/load_balancer.rb:101:in `block in read_write'
  from gitlab/database/load_balancing/load_balancer.rb:190:in `retry_with_backoff'
  from gitlab/database/load_balancing/load_balancer.rb:97:in `read_write'
  from gitlab/database/load_balancing/connection_proxy.rb:89:in `read_using_load_balancer'
  from gitlab/database/load_balancing/connection_proxy.rb:46:in `select_all'
  from activerecord (6.1.3.2) lib/active_record/querying.rb:47:in `find_by_sql'
  from activerecord (6.1.3.2) lib/active_record/relation.rb:849:in `block in exec_queries'
  from activerecord (6.1.3.2) lib/active_record/relation.rb:867:in `skip_query_cache_if_necessary'
  from activerecord (6.1.3.2) lib/active_record/relation.rb:834:in `exec_queries'
  from activerecord (6.1.3.2) lib/active_record/relation.rb:638:in `load'
  from activerecord (6.1.3.2) lib/active_record/relation.rb:249:in `records'
  from activerecord (6.1.3.2) lib/active_record/relation.rb:244:in `to_ary'
  from has_wiki_page_meta_attributes.rb:56:in `find_by_canonical_slug'
  from has_wiki_page_meta_attributes.rb:42:in `block in find_or_create'
  from activerecord (6.1.3.2) lib/active_record/connection_adapters/abstract/database_statements.rb:318:in `transaction'
  from gitlab/database/load_balancing/connection_proxy.rb:115:in `block in write_using_load_balancer'
  from gitlab/database/load_balancing/load_balancer.rb:101:in `block in read_write'
  from gitlab/database/load_balancing/load_balancer.rb:190:in `retry_with_backoff'
  from gitlab/database/load_balancing/load_balancer.rb:97:in `read_write'
  from gitlab/database/load_balancing/connection_proxy.rb:109:in `write_using_load_balancer'
  from gitlab/database/load_balancing/connection_proxy.rb:67:in `transaction'
  from activerecord (6.1.3.2) lib/active_record/transactions.rb:209:in `transaction'
  from gitlab/database.rb:376:in `block in transaction'
  from activesupport (6.1.3.2) lib/active_support/notifications.rb:203:in `block in instrument'
  from activesupport (6.1.3.2) lib/active_support/notifications/instrumenter.rb:24:in `instrument'
  from activesupport (6.1.3.2) lib/active_support/notifications.rb:203:in `instrument'
  from gitlab/database.rb:375:in `transaction'
  from has_wiki_page_meta_attributes.rb:40:in `find_or_create'
  from wiki_pages/event_create_service.rb:14:in `block in execute'