WhatsApp error 131053 The message media could not be uploaded

Needs action from you first You fix this Sending and connection errors

Short answer

The media used in the message could not be uploaded, so the message was not sent. Meta names an unsupported media type as one possible reason.

Checked against Meta docs on 2026-08-24 Official source

Campaign report Cloud API

Sara Delivered
Karl Failed 131053The message media could not be uploaded

How to fix it

Check the media file used in the message and confirm that WhatsApp supports its type.
See Meta's Supported Media Types page for the file types WhatsApp accepts.
Replace an unsupported file with a supported one, then send again.
If the file type is supported and it still fails, contact support to review the error details.

Meta's official wording for this code

Description Unable to upload the media used in the message. Meta's suggested solution The media could not be uploaded for one or more reasons, such as an unsupported media type. For more information, refer to the error.error_data.details value in any messages webhooks triggered when this message fails to send. Inspect any media files that are causing errors and confirm that they are in fact supported. For example, in UNIX you can use file inspection via the command line to determine its MIME type: file -I rejected-file.mov You can then confirm if its MIME type is supported. See Supported Media Types.

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Common questions about this code

What does WhatsApp error 131053 mean?

The media used in the message could not be uploaded, so the message was not sent. Meta names an unsupported media type as one possible reason.

Can I just send the message again?

Not before the cause is addressed. Complete the steps above, then send again.

Is this a problem with my account?

You resolve this from your own account settings.

Still hitting this error?

Send us the code and a screenshot and we will read it with you. With LetsBot, the reason each message failed appears next to it in the campaign report instead of a bare number.