RPCerror can you help me how to fixed this issues

to all steemians and witnesses of these platform, can you help me how to fixed my account. i cant change my password due to the said issues RPCerror missing required owner authority Missing Owner Authority by chenie. can you help me were i can fixed or is there someone who help me guide how to fixed my account. i change my password due to i been hacked yesterday by Hive account@contestbudy he left nothing of my earnings stole all my SBDand i cant change it. when i try to change my password i cant login to my account.
please see screenshots below,

maybe contestbudy change my password cause i cant access my account can you help me how to fixed it. and change my password..

please help me