Invalid Bug ID

Sorry, I can't find "1521150","who":"","why":"","name":"","created":"2019-01-18T11:45:13Z"},"enabled":true,"issuerName":"MEkxCzAJBgNVBAYTAkNIMRUwEwYDVQQKEwxTd2lzc1NpZ24gQUcxIzAhBgNVBAMTGlN3aXNzU2lnbiBQbGF0aW51bSBDQSAtIEcy","serialNumber":"AITPqUzKZv4eLCI4WjAAJw==","id":"b77e2e29-365d-47ee-ba09-7737a5c9ead3","last_modified":1547837141991},{"schema":1552491702967,"details":{"bug":"https://bugzilla.mozilla.org/show_bug.cgi?id=1521150","who":"","why":"","name":"","created":"2019-01-18T11:45:13Z"},"enabled":true,"issuerName":"MEcxCzAJBgNVBAYTAkNOMREwDwYDVQQKDAhVbmlUcnVzdDElMCMGA1UEAwwcVUNBIEV4dGVuZGVkIFZhbGlkYXRpb24gUm9vdA==","serialNumber":"WfGaLerthIxK19OQTLUGWg==","id":"40c1362f-3787-4984-a6a5-0990d7e49e37","last_modified":1547837141665},{"schema":1552491702967,"details":{"bug":"https://bugzilla.mozilla.org/show_bug.cgi?id=1521". It does not seem like bug number nor an alias to a bug.

Please press Back and try again.