Relax upsert conflict checks

Author: compulim

CHANGELOG.md

@@ -384,6 +384,7 @@ Breaking changes in this release:
 - Fixed activity sorting introduced in PR [#5622](https://github.com/microsoft/BotFramework-WebChat/pull/5622), part grouping, and livestreaming, by [@compulim](https://github.com/compulim) in PR [#5635](https://github.com/microsoft/BotFramework-WebChat/pull/5635)
 - Fixed Content Security Policy documentation and sample in PR, by [@compulim](https://github.com/compulim) in PR [#5648](https://github.com/microsoft/BotFramework-WebChat/pull/5648)
    - Added `img-src data:`, required for icons
+- Downgraded graph upsert conflict checks, by [@compulim](https://github.com/compulim) in PR [#XXX](https://github.com/microsoft/BotFramework-WebChat/pull/XXX)
 
 ## [4.18.0] - 2024-07-10
 

packages/core-graph/src/private/Graph.ts

@@ -90,7 +90,7 @@ class Graph<TInput extends GraphNode, TOutput extends GraphNode = TInput> implem
               const id = node['@id'];
 
               if (upsertedNodes.has(id)) {
-                throw new Error(`Cannot upsert a node multiple times in a single transaction (@id = "${id}")`);
+                console.warn(`botframework-webchat: Should NOT upsert a node multiple times in a single transaction (@id = "${id}")`);
               }
 
               upsertedNodes.set(id, node);