Describe the problem/error/question
What is the error message (if any)? * Invalid URL
- Execution Error.
Please share your workflow
(Select the nodes on your canvas and use the keyboard shortcuts CMD+C/CTRL+C and CMD+V/CTRL+V to copy and paste the workflow.)
Share the output returned by the last node
Invalid URL
Error details
From Call n8n Workflow Tool
Error code
none
Other info
Item Index
0
Run Index
0
Node type
@n8n/n8n-nodes-langchain.toolWorkflow
Node version
2 (Latest)
n8n version
1.76.3 (Self Hosted)
Time
5/2/2025, 0:09:16
Stack trace
NodeApiError: Invalid URL at RoutingNode.runNode (/usr/local/lib/node_modules/n8n/node_modules/n8n-core/dist/execution-engine/routing-node.js:159:23) at WorkflowExecute.runNode (/usr/local/lib/node_modules/n8n/node_modules/n8n-core/dist/execution-engine/workflow-execute.js:683:23) at /usr/local/lib/node_modules/n8n/node_modules/n8n-core/dist/execution-engine/workflow-execute.js:881:51 at /usr/local/lib/node_modules/n8n/node_modules/n8n-core/dist/execution-engine/workflow-execute.js:1215:20
Call n8n Workflow Tool
Parameters
Settings
See an example of a workflow to suggest meeting slots using AI here.
Name
Description
This tool will call the workflow you define below, and look in the last node for the response. The workflow needs to start with an Execute Workflow trigger
Source
Workflow
I wish this node would…
Information on your n8n setup
- **n8n version: 1.76.3
- Database (default: SQLite):
- n8n EXECUTIONS_PROCESS setting (default: own, main):
- **Running n8n via (Docker, npm, n8n cloud, desktop app):DOCKER (CLOUD)
- **Operating system:LINUX
