I lost access to my WhatsApp number. It is not connected to my phone or to Meta Suite Business. It always gives me the error message "TRY AGAIN IN AN HOUR". The phone no longer exists within Meta Suite. Meta does not send the SMS. What should I do?

I created a new app, and did all the required steps; system users added my personal number as a test number for getting messages and verified it. On making a curl call it does say message sent but I did not recieve the message. I read here that I need to initiate the conversation, I added the contact and sent a "Hi", first it was not delivered at all, second,it did not send any message. I am trying to use FlowBridge to integrate Voiceflow but not working. Below is the Hello World curl request:

 curl -i -X POST \   https://graph.facebook.com/v21.0/505794375953552/messages \   -H 'Authorization: Bearer xxxxxxxx' \   -H 'Content-Type: application/json' \   -d '{ "messaging_product": "whatsapp", "to": "+923009290538", "type": "template", "template": { "name": "hello_world", "language": { "code": "en_US" } } }' HTTP/2 200  content-type: application/json; charset=UTF-8 vary: Origin x-business-use-case-usage: {"476948972175537":[{"type":"whatsapp","call_count":1,"total_cputime":1,"total_time":1,"estimated_time_to_regain_access":0}]} access-control-allow-origin: * facebook-api-version: v21.0 strict-transport-security: max-age=15552000; preload pragma: no-cache cache-control: private, no-cache, no-store, must-revalidate expires: Sat, 01 Jan 2000 00:00:00 GMT x-fb-request-id: AzyBpSOlGk337z5dcfK5xz9 x-fb-trace-id: HXfstE61zeT x-fb-rev: 1019058758 x-fb-debug: I+v2luvdeTX0UqrN91y82WqYcDyc5VVff3pfLc+7t1hEjZePGLoQ+M61pCNjx9Kuy1ZuymARjsB3c9eNPBeYKA== content-length: 207 date: Mon, 23 Dec 2024 05:14:56 GMT x-fb-connection-quality: EXCELLENT; q=0.9, rtt=23, rtx=0, c=10, mss=1380, tbw=3394, tp=-1, tpl=-1, uplat=540, ullat=0 alt-svc: h3=":443"; ma=86400 {"messaging_product":"whatsapp","contacts":[{"input":"+923xxx8","wa_id":"xxx"}],"messages":[{"id":"wamid.HBgMOTIzMDA5MjkwNTM4FQIAERgSQkVBMEJGRDAzQzU3NUYwNUIxAA==","message_status":"accepted"}]}%    

Jus to clarify my initial "Hi" message still has a single tick

We got this message when we tried to get an attachment comment for one of our accounts:
{
"error": {
"message": "Unsupported request - method type: get",
"type": "GraphMethodException",
"code": 100,
"fbtrace_id": "AoCtBAwgyPeW-UuNbJlvB2D"
}
}
Doing further investigation, we determined that the API breaks when attempting to get a story attachment for a comment. The API breaks unless I reduce the param request fields for attachments to id,attachment{media_type,title,type,unshimmed_url,url}, but we still require attachment.media and attachment.description for our capturing content process.
Has anyone faced this error before ? Are there any workaround to solve this issue ?

Hello,
I am encountering an issue with the WhatsApp Business API when attempting to send a message template or query the list of templates. The API returns the following error:
{ "error": { "message": "(#135000) Generic user error", "type": "OAuthException", "code": 135000, "error_data": { "messaging_product": "whatsapp", "details": "Generic user error" }, "fbtrace_id": "Acl4jwcxw9wDcwCcNs-_4jW" } }
Relevant Information:
The template used is approved in the Business Manager. The recipient's number has been tested and is in E.164 format (e.g.: +5511999999999). The access token used has the correct permissions (whatsapp_business_messaging and whatsapp_business_management). The phone number is active and linked to the WhatsApp Business account. Sending individual messages continues to work The problem occurred without any changes, sending templates simply stopped working.
Attempts to resolve:
I checked the template parameters and they are correct. I confirmed that the access token is valid. I tested with other templates and other phone numbers, but the error persists.
Has anyone faced this issue or know how to solve it? Is there anything I can check or adjust in the template configuration, or in the WhatsApp Business account to solve this? Is there a support channel by phone or email with Meta?

Hello,
I am facing an issue with creating test users in Meta for Developers/Facebook for Developers. The system displays the following message: "Test account creation is temporarily disabled. Please try again later." This problem occurs across all my accounts.
Could you please provide recommendations or alternative methods for creating test users in this situation?
Thank you for your assistance!
Best regards, Max