cleos --url http://127.0.0.1:8888 --wallet-url http://127.0.0.1:8899 push action eosio.token create '["eosio", "2000000000.0000 KBS"]' --permission eosio.token@active

cleos --url http://127.0.0.1:8888 --wallet-url http://127.0.0.1:8899 push action eosio.token issue '["eosio", "100000000.0000 KBS", ""]' --permission eosio@active

cleos --url http://127.0.0.1:8888 --wallet-url http://127.0.0.1:8899 system newaccount eosio intblue11112 EOS6w5oLk1NcLvvnfW4YVqeohoX3GV3t79LT8CJEZczBTEJVKYzeC EOS6w5oLk1NcLvvnfW4YVqeohoX3GV3t79LT8CJEZczBTEJVKYzeC --stake-net "10000.0000 KBS" --stake-cpu "10000.0000 KBS" --buy-ram-kbytes 8192

assertion failure with message: symbol precision mismatch

why ?