Merge pull request #15766 from RoadieHQ/surface-cause-of-json-rules-engine-error

surface the cause of the json rules engine

.changeset/lazy-badgers-rule.md

@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-tech-insights-backend-module-jsonfc': patch
+---
+
+Surface the cause of the json rules engine

plugins/tech-insights-backend-module-jsonfc/src/service/JsonRulesEngineFactChecker.ts

@@ -141,7 +141,9 @@ export class JsonRulesEngineFactChecker
       );
     } catch (e) {
       if (isError(e)) {
-        throw new Error(`Failed to run rules engine, ${e.message}`);
+        throw new Error(`Failed to run rules engine, ${e.message}`, {
+          cause: e,
+        });
       }
       throw e;
     }