The error codes and messages listed in this article might not be up-to-date. For the most updated list of error codes, visit LINE Developer’s documentation here.
Here is a list of LINE Business error codes, their possible causes, and suggested solutions:
| Error code | Description | Possible cause and suggested solution |
| 400 | Unable to use audience | Unable to use this audience because it has been more than 180 days since it was created |
| 400 | Limit reached | You have reached the maximum limit of 1,000 audiences |
| 400 | Audience name too long | The audience name is too long. Fill in a shorter name and try again. |
| 400 | Error found in audience’s name | The audience's name contains invalid characters |
| 400 | Unable to find audience | Unable to find audience. Please check and try again. |
| 400 | Duplicated specific request ID | An audience with the specified request ID already exists |
| 400 | Incorrect specific request ID | The specified request ID is incorrect, or there is no audience with the specified request ID. Please check and try again, or create an audience with the specified request ID. |
| 400 | Unable to create audience | Unable to create an audience for a message that was sent over 60 days ago |
| 400 | Error found in the file | The file contains an invalid user ID or IFA |
| 400 | Error found in the file | The file does not contain a valid user ID or IFA |
| 400 | Limit exceeded | Exceeded the maximum limit of user IDs or IFAs |
| 400 | Bot ID does not match | The bot ID in the specified request ID doesn't match the bot linked to the channel that issued the channel access token. Please check and try again. |
| 400 | Error found in audience group | The audience group is already active |
| 401 | Error found in channel access token | The valid channel access token is not specified |
| 403 | No access | You are not authorized to access the resource. Please ensure your account or plan is authoritized to access the resource to continue. |
| 404 | Unable to get profile information |
Unable to get the profile information. This could be because: - The user has not consented to their profile information being obtained - The user has not added the target LINE Official Account as a friend - The user blocked the target LINE Official Account after adding itas a friend
For more information, please view the Consent on getting user profile information in the Messenging API documentation. |
| 409 | Error found in API request | An API request with the same AppSecret key has already been accepted |
| 410 | No access | Access to the resource is no longer available |
| 413 | Size limit exceeded | The request exceeds the maximum size of 2 MB. Please resize your request to smaller than 2 MB and try again. |
| 415 | Unsupported media type | Unsupported media type |
| 429 | Unable to perform action |
Unable to perform the action as there are too many requests at the same time. This could be because you have: - exceeded the rate limit for requests - exceeded the limit on the number of concurrent operations for requests - reached the limit of free messages - exceeded the limit of additional messages allowed to be sent
For more information about the number of free messages and the maximum number of additional messages allowed to be sent, see Messaging API pricing in the Messaging API documentation. |