anju@DESKTOP-FFAFKFO:/mnt/c/Users/RAM/mysam1$ multichain-cli chaint create stream "stream34" true
{"method":"create","params":["stream","stream34",true],"id":"35431233-1701004608","chain_name":"chaint"}
error code: -705
error message:
Stream or asset with this name already exists
anju@DESKTOP-FFAFKFO:/mnt/c/Users/RAM/mysam1$ multichain-cli chaint liststreamitems "stream34"
{"method":"liststreamitems","params":["stream34"],"id":"77217000-1701004620","chain_name":"chaint"}
error code: -708
error message:
Stream with this name not found: stream34
anju@DESKTOP-FFAFKFO:/mnt/c/Users/RAM/mysam1$ multichain-cli chaint liststreams
{"method":"liststreams","params":[],"id":"40556506-1701004667","chain_name":"chaint"}
[
    {
        "name" : "root",
        "createtxid" : "63dce96635857e601886fef54e3d92513de31fb9cf8d02d001782ea635786b0b",
        "streamref" : "0-0-0",
        "open" : true,
        "details" : {
        },
        "subscribed" : true,
        "synchronized" : false,
        "items" : 0,
        "confirmed" : 0,
        "keys" : 0,
        "publishers" : 0
    },
    {
        "name" : "stream33",
        "createtxid" : "c9fcfd1c206dbfef291b4e4d08ea6b2d5ce6d6b16b6ca0ab9a8dfcaac8f8852e",
        "streamref" : "60-265-64713",
        "open" : true,
        "details" : {
        },
        "subscribed" : true,
        "synchronized" : true,
        "items" : 74,
        "confirmed" : 74,
        "keys" : 19,
        "publishers" : 1
    },
    {
        "name" : "stream33",
        "createtxid" : "48d02ba3f270d3e6ed8259dfa55a5d9a63fe31998597696d3aed6f7660d629ae",
        "streamref" : "60-265-64713",
        "open" : true,
        "details" : {
        },
        "subscribed" : true,
        "synchronized" : true,
        "items" : 74,
        "confirmed" : 74,
        "keys" : 19,
        "publishers" : 1
    },
    {
        "name" : "stream34",
        "createtxid" : "a711284a75212700ea5a4806371dafac46ecc9162d45629ddd6a1f7b73f7cbc7",
        "streamref" : "60-492-4519",
        "open" : true,
        "details" : {
        },
        "subscribed" : true,
        "synchronized" : true,
        "items" : 12151,
        "confirmed" : 12151,
        "keys" : 5014,
        "publishers" : 1
    }   
]
question:
In my chain, 2 stream exists with same name ie 'stream33'. is it possible?
and stream34 already exist, but i am not able to liststreamitems. and it is not allowing to create a stream also.
And when I tried to check key values again in 'stream33', the key values are set to " ".
  {
        "key" : "",
        "items" : 2,
        "confirmed" : 2
    }
whereas earlier the stream was having key values.
Can you tell me the possible reason for this unwanted and automatic changes in multichain streams?