Remove dependency on NoSpaceLeft

app/services/issue_rebalancing_service.rb

@@ -34,9 +34,7 @@ class IssueRebalancingService
     end
 
     # If there are 4 billion issues, then we cannot rebalance them
-    if gap_size < RelativePositioning::MIN_GAP
-      raise RelativePositioning::NoSpaceLeft
-    end
+    raise TooManyIssues if gap_size < RelativePositioning::MIN_GAP
 
     start = RelativePositioning::START_POSITION - (gaps / 2) * gap_size
 

app/workers/issue_rebalancing_worker.rb

@@ -11,7 +11,7 @@ class IssueRebalancingWorker # rubocop:disable Scalability/IdempotentWorker
     issue = Issue.find(issue_id)
 
     rebalance(issue)
-  rescue ActiveRecord::RecordNotFound, IssueRebalancingService::TooManyIssues, RelativePositioning::NoSpaceLeft => e
+  rescue ActiveRecord::RecordNotFound, IssueRebalancingService::TooManyIssues => e
     Sidekiq.logger.warn(e)
   end