Unable to open Wallet

We are not able to withdraw LTC from C-Cex.com to LTC Wallet.
Sending address:-LUN2zVTBzQ4Y1VtsJ1K69CyGDgRhoZ5rc9
Receiving address:-mgmKoPDWEYA6Mes4MbidkoqsaFYFwYaZR1
C-Cex Id:-digitalcurrencytrading@gmail.com

Please give the solution as soon as.

You are running a testnet node. Litecoin address should start with ā€œLā€.

pls send me the link to download the wallet


Thank you for the help.