Hi, you must be new to the internets.
Most databases are not case sensitive, so 1CNx = 1cNx = 1cnx = 1CNX.
In Bitcoin addresses are case sensitive. Instead of correcting your error, just make a new goddamn address like you were told, and then the Middlecoin database will have a completely new and unique address to show you.
Or you could just go mine Dogecoin or something and stop letting him "steal your monies"...

ok that sounds logical.
Then I'll have to wait until I can change the address.
And must hffen the money is not lost.
Thank you for your explanation
ps
and I have never claimed the h2o has robbed me or that there was intentionally no payment;)