Regarding unconfirmed transactions

Hi guys, it have been awhile since i last touch my ltc client, but now when i reopen it and after i sync it with the blockchain, i found out all my ltc are in unconfirmed balance, and in the transaction section, all the received ltc are grey out, and label as " 0/unconfirmed, not in memory pool", please assist me, thanks in advance.

Try upgrading to the latest wallet.

hi, thanks for replying, im already using the latest wallet i downloaded from