Linkedin ugc post was not published properly

API Post creation responded with status 201 and with a post id urn:li:ugcPost:6767685388107599872. However, the post is not visible on the network and also it's not possible to retrieve the data of the post.

Retrieve endpoint

GET /v2/ugcPosts/urn%3Ali%3AugcPost%3A6767685388107599872?viewContext=AUTHOR

Response

{
    "message": "com.linkedin.restli.server.RestLiServiceException [HTTP Status:404]: com.linkedin.content.common.ResponseException: ",
    "status": 404
}

Retrieve endpoint

GET /v2/ugcPosts/urn%3Ali%3AugcPost%3A6767685388107599872

Response

{
    "message": "com.linkedin.restli.server.RestLiServiceException [HTTP Status:404]: com.linkedin.content.common.ResponseException: ",
    "status": 404
}

There was no issue on the Linkedin status page related to the publishing time 2021-02-17T06:05:34.052Z.

I also tried to publish the exact same content on a different page without any problem.

Do you have any idea what could go wrong?