Fix : catch error when experiment list empty

api/src/engine/connectors/exareme/main.connector.ts

@@ -74,7 +74,7 @@ export default class ExaremeService implements IEngineService {
 
     return {
       ...resultAPI.data,
-      experiments: resultAPI.data.experiments.map(dataToExperiment),
+      experiments: resultAPI.data.experiments?.map(dataToExperiment),
     };
   }