Unrecognized node type: @n8n/n8n-nodes-langchain.lmChatOpenRouter

[Hanson_Cheng]

Describe the problem/error/question

I am using the openrouter node in a basic llm chain. it works when i test the workflow, but fails when i schedule it to run and it’s live. any reason why it’s not recognized?

What is the error message (if any)?

error messsage is: Unrecognized node type: @n8n/n8n-nodes-langchain.lmChatOpenRouter

Please share your workflow

Share the output returned by the last node

Information on your n8n setup

• n8n version: 1.78.1

• Database (default: SQLite): postgres

• n8n EXECUTIONS_PROCESS setting (default: own, main): default

• Running n8n via (Docker, npm, n8n cloud, desktop app): self hosted on railway

• Operating system: mac os
  

  

[netroy]

Can you please check again that you are on the 1.78?
You could check this in the “About n8n” dialog under the help menu in the sidebar.

[Hanson_Cheng]

yes i am.

[Hanson_Cheng]

[netroy]

Are you running n8n in queue mode by any chance?

[Hanson_Cheng]

yes. i have workers set up in n8n

[netroy]

it sounds like those workers might be running an older version.

[Hanson_Cheng]

thanks. yhou are right. i updated snd it works fine now!

[Felipe_Mayer]

How do you updated your workers? I tried to update and seems it is in the same version as primary but I’m still facing this error