Hello @arhag
I tried above command and got below error
10 assert_exception: Assert Exception
approving_account_objects.size() == v_approving_account_names.size():
{"aco.size:":0,"acn":1}
th_a wallet.cpp:564 sign_transaction
{"voting_account":"naitik","witness_to_vote_for":"arhag","approve":true,"broadcast":true}
th_a wallet.cpp:1621 vote_for_witness