You have exceeded the maximum number of message templates you can have for this WhatsApp business account.
A WhatsApp Business Account can have up to 250 message templates. Learn more.
Certificate can be downloaded only after confirming ownership of a phone number that is being migrated.
In order to download the certificate and proceed with registration, request for a registration code and verify it. Learn more.
Two-step authentication must be disabled for this phone number.
In your WhatsApp Business Manager Settings, turn off two-step authentication. Learn more.
The phone number you are trying to migrate is already present in your WhatsApp account.
Try again with a phone number that is not already present in your WhatsApp account.
Phone ownership verification APIs are not available for this use case.
Register and verify the number. Learn more.
Your WhatsApp account must have an active credit line in order to send messages after migration.
Set up a credit line for your WhatsApp account, or share your credit line. Learn more.
This phone number is eligible to be added directly, and does not need to use phone migration APIs.
Add the phone number to your WhatsApp account from Business Manager directly, and proceed with registration. Learn more.
The source WhatsApp Business Account must be approved, and its "messaging on behalf of" must be approved.
Work with the business that owns the source WhatsApp Business Account to set up the account correctly or to deactivate it, and then retry migration. Learn more.
The destination WhatsApp Business Account must be approved before you can migrate phone numbers.
Ensure business verification is completed, and the WhatsApp Business Account review status is approved. Learn more.
The destination WhatsApp Business Account "Messaging For" request must be approved by the client.
Ask your client to accept your "Messaging For" request. Learn more.
The source and destination WABAs must represent the same business.
Migrate your phone number into a WhatsApp Business Account that is messaging for the same business as the source WhatsApp Business Account. Learn more.
Something went wrong when trying to migrate your phone number.
Try again after some time. If that doesn’t work, contact support. Learn more.