From 362e3a545675c3476a29a60ed84d36ab3c899990 Mon Sep 17 00:00:00 2001
From: ivanmorozov333 <ivanmorozov@hotmail.com>
Date: Mon, 25 Nov 2024 08:45:36 +0300
Subject: [PATCH] fix

---
 .../columnshard/engines/scheme/indexes/abstract/program.cpp  | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/ydb/core/tx/columnshard/engines/scheme/indexes/abstract/program.cpp b/ydb/core/tx/columnshard/engines/scheme/indexes/abstract/program.cpp
index 6d28406c31e6..8b62f7890c32 100644
--- a/ydb/core/tx/columnshard/engines/scheme/indexes/abstract/program.cpp
+++ b/ydb/core/tx/columnshard/engines/scheme/indexes/abstract/program.cpp
@@ -444,7 +444,10 @@ class TNormalForm {
 std::shared_ptr<TDataForIndexesCheckers> TDataForIndexesCheckers::Build(const TProgramContainer& program) {
     AFL_DEBUG(NKikimrServices::TX_COLUMNSHARD)("program", program.DebugString());
     auto& steps = program.GetStepsVerified();
-    AFL_VERIFY(steps.size());
+    if (!steps.size()) {
+        AFL_WARN(NKikimrServices::TX_COLUMNSHARD)("event", "no_steps_in_program");
+        return nullptr;
+    }
     auto fStep = steps.front();
     TNormalForm nForm;
     for (auto&& s : fStep->GetAssignes()) {