What is wrong?

Response from getgroups:
{
“id”: "120363234822313181@g.us",
“name”: “Bbbbbbbbb b”,
“participants”: [
"xxxxx73692@c.us",
"xxxxxx616@c.us"
],

Response from SendMessae:
{

“success”: true,
“data”: {
“chatId”: "120363234822313181@g.us",
“msgId”: “f3c170e0-c5d9-11ee-8c51-dbc58e175d5f”
}
}

WebHook: Group cannot found!!! ??
{“type”:“error”,“product_id”:“ab18658b-0a91-4858-86c7-da9562e927e4”,“phone_id”:xxxxx,“code”:“OA4”,“message”:“Group cannot found!!!”,“data”:{“to_number”:“120363234822313181@g.us”,“type”:“text”,“message”:“Hello World!”,“id”:“f3c170e0-c5d9-11ee-8c51-dbc58e175d5f”},“phoneId”:xxxxx}