Strange but you are probably right since you can see the transactions on the account.
I will try to send him back and if I have a problem I will come back to you (from this post).
Thanks again for responding to me so quickly.
Have a nice evening :)

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I tried again to send him again and no points are counted but it does not work :/
I will donate to her account so she can take it.
Thank you again for your patience and for responding to me quickly.
Have a nice evening :)