Need Expert to Fix WhatsApp Cloud API Error (Meta Error 133010 - Account Not Registered) Description: I am integrating the WhatsApp Cloud API and currently facing a blocking issue during setup. Error: Meta Error 133010 – "Account not registered" Also receiving: "Unsupported post request. Object does not exist or missing permissions" Current Situation: * Phone number added to WhatsApp Business Account * OTP verification completed * Number was previously connected under a **Business Integration (BIK)** setup * Currently attempting to **transfer from BIK to an individual app setup** * Ownership transfer has been initiated * Number is stuck in **"Pending"** state * API calls to `/register` and `/messages` are failing What I Need: * Identify root cause of this issue (likely related to transfer or provisioning) * Help properly register and activate the phone number * Ensure WhatsApp API starts working end-to-end * Validate correct setup flow for BIK → individual migration Expected Skills: * Strong experience with WhatsApp Cloud API * Experience with Meta Business Manager and Developer Console * Hands-on experience with **BIK to individual migration / number transfer** * Deep understanding of Graph API permissions, tokens, and phone number provisioning Bonus: * Prior experience resolving "Pending" status or registration issues * Experience with number migration edge cases Goal: Move number from **Pending → Connected** and successfully send messages via API. Please include: * Similar issues you have solved * Your approach to fixing this * Estimated time to resolve Looking for someone who can resolve this quickly and reliably.