fix(editor): Fix Paired item error message (#15171)

Author: r00gm

cypress/e2e/39-projects.cy.ts

@@ -299,11 +299,7 @@ describe('Projects', { disableAutoLogin: true }, () => {
 			workflowPage.actions.saveWorkflowOnButtonClick();
 			workflowPage.actions.addNodeToCanvas('Execute Workflow', true, true);
 
-			cy.window().then((win) => {
-				cy.stub(win, 'open').callsFake((url) => {
-					cy.visit(url);
-				});
-			});
+			cy.window().then((win) => cy.stub(win, 'open').callsFake((url) => cy.visit(url)));
 
 			selectResourceLocatorItem('workflowId', 0, 'Create a');
 			// Need to wait for the trigger node to auto-open after a delay

cypress/e2e/5-ndv.cy.ts

@@ -117,7 +117,7 @@ describe('NDV', () => {
 			.nodeRunErrorMessage()
 			.should(
 				'have.text',
-				"Using the item method doesn't work with pinned data in this scenario. Please unpin 'Break pairedItem chain' and try again.",
+				"Paired item data for item from node 'Break pairedItem chain' is unavailable. Ensure 'Break pairedItem chain' is providing the required output.",
 			);
 		ndv.getters
 			.nodeRunErrorDescription()

packages/workflow/src/WorkflowDataProxy.ts

@@ -792,7 +792,11 @@ export class WorkflowDataProxy {
 			nodeCause: string,
 			usedMethodName: 'itemMatching' | 'pairedItem' | 'item' | '$getPairedItem' = 'pairedItem',
 		) => {
-			const message = `Using the ${usedMethodName} method doesn't work with pinned data in this scenario. Please unpin '${nodeCause}' and try again.`;
+			const pinData = getPinDataIfManualExecution(that.workflow, nodeCause, that.mode);
+			const message = pinData
+				? `Using the ${usedMethodName} method doesn't work with pinned data in this scenario. Please unpin '${nodeCause}' and try again.`
+				: `Paired item data for ${usedMethodName} from node '${nodeCause}' is unavailable. Ensure '${nodeCause}' is providing the required output.`;
+
 			return new ExpressionError(message, {
 				runIndex: that.runIndex,
 				itemIndex: that.itemIndex,

packages/workflow/test/WorkflowDataProxy.test.ts

@@ -339,7 +339,7 @@ describe('WorkflowDataProxy', () => {
 				expect(error).toBeInstanceOf(ExpressionError);
 				const exprError = error as ExpressionError;
 				expect(exprError.message).toEqual(
-					"Using the item method doesn't work with pinned data in this scenario. Please unpin 'Break pairedItem chain' and try again.",
+					"Paired item data for item from node 'Break pairedItem chain' is unavailable. Ensure 'Break pairedItem chain' is providing the required output.",
 				);
 				expect(exprError.context.type).toEqual('paired_item_no_info');
 				done();