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n8n - 💡(How to fix) Fix Bug: LinkedIn Node Unable to Fetch Person ID in “Create Post” Operation

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Error Message

In the LinkedIn OAuth2 API credential setup, authentication succeeds, but inside the LinkedIn → Post → Create operation, the “Person Name or ID” dropdown fails to load and displays the following error: Error fetching options from LinkedIn Tooltip error: 9. Observe the error

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Bug Description

The LinkedIn node fails to fetch the authenticated user’s Person ID when trying to create a post.

In the LinkedIn OAuth2 API credential setup, authentication succeeds, but inside the LinkedIn → Post → Create operation, the “Person Name or ID” dropdown fails to load and displays the following error:

When i put my linkedin id in expression still not working.

Error fetching options from LinkedIn

Tooltip error:

There was a problem loading the parameter options from server: "[object Object]"

As a result, it is impossible to select the LinkedIn profile/person account to publish the post.

<img width="929" height="383" alt="Image" src="https://github.com/user-attachments/assets/ee669d29-6386-49e1-8100-c9f9a01be668" />

To Reproduce

Steps to reproduce the behavior:

  1. Create LinkedIn OAuth2 credentials
  2. Authenticate successfully with LinkedIn
  3. Add LinkedIn node
  4. Select:
  5. Resource: Post
  6. Operation: Create
  7. Post As: Person
  8. Click on Person Name or ID
  9. Observe the error

Expected behavior

The node should fetch and display the authenticated LinkedIn user profile/person ID automatically.

Debug Info

na

Operating System

Windows

n8n Version

[email protected]

Node.js Version

cloud

Database

SQLite (default)

Execution mode

main (default)

Hosting

n8n cloud

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FAQ

Expected behavior

The node should fetch and display the authenticated LinkedIn user profile/person ID automatically.

#api#output truncation#response parsing#generation error#database connection

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n8n - 💡(How to fix) Fix Bug: LinkedIn Node Unable to Fetch Person ID in “Create Post” Operation