I was sent many msg by whatsapp API sent successfully and suddenly got an error message

(#135000) Generic user error

Phone Number: +966 50 612 6276 Email Address FB: [...] APP ID: 804460901614985 WhatsApp Business Account ID: 316522031545271 Phone number ID: 289654480905686

App ID: 418035371023763

Response Error: 400 bad Request { "error": { "message": "(#135000) Generic user error", "type": "OAuthException", "code": 135000, "error_data": { "messaging_product": "whatsapp", "details": "Generic user error" }, "fbtrace_id": "AUC_GOOkiSJb3f-aL1iyd9m" } }