feat(core): Update LLM applications building support (no-changelog) (#7710)

extracted out of #7336

---------

Co-authored-by: Jan Oberhauser <jan.oberhauser@gmail.com>
Co-authored-by: Oleg Ivaniv <me@olegivaniv.com>
Co-authored-by: Alex Grozav <alex@grozav.com>

packages/core/src/NodeExecuteFunctions.ts

@@ -3301,9 +3301,11 @@ export function getExecuteFunctions(
 							// Display on the calling node which node has the error
 							throw new NodeOperationError(
 								connectedNode,
-								`Error on node "${connectedNode.name}" which is connected via input "${inputName}"`,
+								`Error in sub-node ${connectedNode.name}`,
 								{
 									itemIndex,
+									functionality: 'configuration-node',
+									description: error.message,
 								},
 							);
 						}