Verifier Js Transaction not found

{“error”: “Transaction 4fe246d60931cfe0bd00c24dc10048508a4723dcfa11f3451ba309e835cf151f not found.”}
{
code: ‘final’,
status: ‘failure’,
message: ‘The address used to issue this Blockcerts does not belong to the claimed issuer.’
}

But in ropsten I can see. any idea ?