Could you please let us know when this message started appearing and whether you’re able to sign in to your Adobe account through a web browser? This will help us better understand the issue and guide you with the appropriate next steps.
Thank you for taking the time to share the additional information and explain the RUT format in detail.
To help us look into this more accurately, could you please confirm which Adobe product or plan you’re trying to purchase, where you’re making the purchase, and whether you’ve tried a different payment method?
This information will give us a clearer understanding of what you’re experiencing and help us provide the most relevant guidance. ^Akansha