A user blocked the target LINE Official Account after adding it as a friend.

A user hasn't added the target LINE Official Account as a friend.

Confirm that your account or plan is authorized to access the resource. Valid channel access token is not specified. We follow the HTTP status code specification (opens new window) unless otherwise stated. These HTTP status codes are returned after an API call. If the status of a job ( jobs.jobStatus property) is waiting to run ( QUEUED) or running ( WORKING), it will be counted as an operation. You can check the number of requests being processed with the jobs property of the following endpoint response. If you've received an error, wait a while before making a request again. Requests that exceed the limit on the number of concurrent operations will return an error with status code 429 Too Many Requests. The total number of requests processed concurrently by the following endpoints is counted as the number of concurrent operations. We have set a limit on the number of concurrent endpoint operations per audience ID ( audienceGroupId), for creating an audience for uploading user IDs and adding user IDs to an audience. # Limit on the number of concurrent operations * Creating and deleting rich menus using the LINE Official Account Manager is not subject to this restriction.

Change the authority level of the audience.

Get the authority level of the audience.

Create audience for impression-based retargeting.

Create audience for click-based retargeting.

Add user IDs or Identifiers for Advertisers (IFAs) to an audience for uploading user IDs (by file).

Add user IDs or Identifiers for Advertisers (IFAs) to an audience for uploading user IDs (by JSON).

Create audience for uploading user IDs (by file).

Create audience for uploading user IDs (by JSON).

When developing a LINE Bot using the Messaging API, follow the Development guidelines, including the guidelines on rate limits. If you send requests exceeding the rate limit, you will receive an error message saying, 429 Too Many Requests.

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