Sended from online wallet, but not arrived

Sended 90 Musicon from 0x817c0084737725cf7ec2d4075b2e71c658d33d18 to 0x71fb78a1ae4baa8457251dbbe133b003f846d6f8 yesterday but not yet arrived. Why?

Your transaction has arrived. Look here. Here is block with your transaction - https://explorer.musicoin.org/block/1990884
Here is adress with you coins - https://explorer.musicoin.org/account/0x71fb78a1ae4baa8457251dbbe133b003f846d6f8

Maybe your desktop wallet doesn't synced, so it doesn't show your coins, but they there

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