Fix potential seg fault when we have nullptr for debug counters for CA

1 files changed, 4 insertions, 2 deletions

diff --git a/ydb/library/yql/dq/actors/compute/dq_async_compute_actor.cpp b/ydb/library/yql/dq/actors/compute/dq_async_compute_actor.cpp
index f406dd382a4..09256a129ee 100644
--- a/ydb/library/yql/dq/actors/compute/dq_async_compute_actor.cpp
+++ b/ydb/library/yql/dq/actors/compute/dq_async_compute_actor.cpp
@@ -720,8 +720,10 @@ private:
     void ProcessContinueRun() {
         if (!ContinueRunEvents.empty() && !CpuTimeQuotaAsked && !ContinueRunInflight) {
             Send(TaskRunnerActorId, ContinueRunEvents.front().first.release());
-            const TDuration quotaWaitDelay = TInstant::Now() - ContinueRunEvents.front().second;
-            CpuTimeQuotaWaitDelay->Collect(quotaWaitDelay.MilliSeconds());
+            if (CpuTimeQuotaWaitDelay) {
+                const TDuration quotaWaitDelay = TInstant::Now() - ContinueRunEvents.front().second;
+                CpuTimeQuotaWaitDelay->Collect(quotaWaitDelay.MilliSeconds());
+            }
             ContinueRunEvents.pop_front();
             ContinueRunInflight = true;
         }