Replace-by-fee Problem

[Bitcoin]

Replace-by-fee Problem

Good Day. Please i have an Account with BlockChain but i notice my account has a withdrawal of all my BTC which was not done by me. It has Replace-By-Fee

What might have happened?

How can I get my money Back?

Sent BTC         May 21 2020 @ 2:22 AM     Replace-By-Fee  
To:              bc1q52vem2cnzps34reymhw0v07wgzme8gq92dzc5p  
From:            My Bitcoin Wallet  
                 $3,461.91        0.38223108 BTC
Description      Add a description
Value When Sent  $3,645.37
Sent From        159qFcZvv46Vz861PFxUNLPzjpTZw2oiPj
                 17BoVBrrkZ13DWNEBdew8QL3CCq6mv3722
                 1PnBQwZhiMMtb2XptpTBzBFa658iWm4gzd
                 1ahi6h2WMaGCpbrs2d7cr2o9Fo1m2Mu4J
                 1LcXKTF7TwNBw9jH4pTMHJRTMWGxo55syD
                 1CkJkCBVJt11Cj41SY9SQ7hu8318tcc19s
Received By      bc1q52vem2cnzps34reymhw0v07wgzme8gq92dzc5p
Status           Transaction Confirmed
Transaction Fee  0.00113524 BTC    $10.28

Source: Replace-by-fee Problem