OlderDeploymentsDropService: NoMethodError: undefined method `drop' for nil:NilClass
https://sentry.gitlab.net/gitlab/gitlabcom/issues/1613054/?referrer=gitlab_plugin
NoMethodError: undefined method `drop' for nil:NilClass
deployments/older_deployments_drop_service.rb:16:in `block (2 levels) in execute'
deployable.drop(:forward_deployment_failure)
gitlab/optimistic_locking.rb:11:in `block in retry_lock'
yield(subject)
active_record/connection_adapters/abstract/database_statements.rb:280:in `block in transaction'
transaction_manager.within_new_transaction(isolation: isolation, joinable: joinable) { yield }
active_record/connection_adapters/abstract/transaction.rb:280:in `block in within_new_transaction'
yield
active_support/concurrency/load_interlock_aware_monitor.rb:26:in `block (2 levels) in synchronize'
yield
...
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NoMethodError: undefined method `drop' for nil:NilClass