Please I couldn’t make a subscription on my iCloud anymore

Did you try to add Apple ID balance and add a new payment information after that?

What you can buy with your Apple Gift Card or Apple Account balance - Apple Support

As long you have ongoing subscriptions, at least one valid payment method has to be listed, before you can remove an existing payment method.

Change, add, or remove Apple ID payment methods - Apple Support

See -> Change, add or remove Apple ID payment methods

Change, add or remove Apple ID payment methods – Apple Support (UK)

• Add first the new card, then remove the old one.