ACS Cloud keyvalue set: internal error

Help! I'm trying to set a key/value into ACS Cloud but I'm getting 500-Internal-Errors:

{
  "meta": {
    "status":"fail",
    "code":500,
    "message":"Internal server error. The Appcelerator Cloud Services Team has just been notified of this problem."
  }

curl --trace-ascii -  -b cookies.txt -c cookies.txt -X PUT -F "access_private=true" -F "user_id=5333fd44891fdf0b7315408b" -F "name=name4thisentry2" -F "type=binary" -F "value=<test.bin" https://api.cloud.appcelerator.com/v1/keyvalues/set.json?key=*******

== Info: About to connect() to api.cloud.appcelerator.com port 443 (#0)
== Info:   Trying 54.215.14.157...
== Info: Connected to api.cloud.appcelerator.com (54.215.14.157) port 443 (#0)
== Info: Initializing NSS with certpath: sql:/etc/pki/nssdb
== Info:   CAfile: /etc/pki/tls/certs/ca-bundle.crt
  CApath: none
== Info: SSL connection using TLS_DHE_RSA_WITH_AES_128_CBC_SHA
== Info: Server certificate:
== Info:    subject: CN=*.cloud.appcelerator.com,OU=Domain Control Validated
== Info:    start date: Abr 10 03:59:03 2014 GMT
== Info:    expire date: Mar 10 20:50:06 2016 GMT
== Info:    common name: *.cloud.appcelerator.com
== Info:    issuer: CN=Go Daddy Secure Certificate Authority - G2,OU=http://certs.godaddy.com/repository/,O="GoDaddy.com, Inc.",L=Scottsdale,ST=Arizona,C=US
=> Send header, 328 bytes (0x148)
0000: PUT /v1/keyvalues/set.json?key=A4pTGcJ1aZBauPqjjnE6NSgAthckQvb7 
0040: HTTP/1.1
004a: User-Agent: curl/7.29.0
0063: Host: api.cloud.appcelerator.com
0085: Accept: */*
0092: Cookie: _session_id=cBdbhYudPcHgaJE5jc4Q6CMTRrs
00c3: Content-Length: 10884
00da: Expect: 100-continue
00f0: Content-Type: multipart/form-data; boundary=--------------------
0130: --------189a22fbd9ce
0146: 
<= Recv header, 23 bytes (0x17)
0000: HTTP/1.1 100 Continue
=> Send data, 526 bytes (0x20e)
0000: ------------------------------189a22fbd9ce
002c: Content-Disposition: form-data; name="access_private"
0063: 
0065: true
006b: ------------------------------189a22fbd9ce
0097: Content-Disposition: form-data; name="user_id"
00c7: 
00c9: 5333fd44891fdf0b7315408b
00e3: ------------------------------189a22fbd9ce
010f: Content-Disposition: form-data; name="name"
013c: 
013e: name4thisentry2
014f: ------------------------------189a22fbd9ce
017b: Content-Disposition: form-data; name="type"
01a8: 
01aa: binary
01b2: ------------------------------189a22fbd9ce
01de: Content-Disposition: form-data; name="value"
020c: 
=> Send data, 10310 bytes (0x2846)
0000: ELF..............>.......@.....@...................@.8...@.!. .
0040: ........@.......@.@.....@.@.....................................
0080: 8.......8.@.....8.@.............................................
00c0: ..@.......@.....Xj......Xj........ .............(m......(m`.....
 
[..]
 
26c0: ....D$8..D$ .....$....H..$....H.D$`H..$....H.D$pL9....I.........
2700: ........M............|$ .......J.D..I9.......M.,(H.t$hL...L$PL.D
2740: $HL..L.L$@.......L.L$@L.D$H.L$P.......|$3...0...A.....f.........
2780: E..e.A..~......H...(..A...Hc..H......D...D$4....................
27c0: $...........H.E.I9.......A.|(.?uA..4..N....wr.....H.....Q.8tb.|
2800: $3.......L9.s.H.|$(...?H.S.I9.v.H.|$(.D.."H.S.I9.v.H.|$(.D.."H.S
2840: .I9.v.
=> Send data, 48 bytes (0x30)
0000: 
0002: ------------------------------189a22fbd9ce--
<= Recv header, 36 bytes (0x24)
0000: HTTP/1.1 500 Internal Server Error
<= Recv header, 21 bytes (0x15)
0000: Server: nginx/1.2.9
<= Recv header, 37 bytes (0x25)
0000: Date: Sun, 01 Jun 2014 05:00:55 GMT
<= Recv header, 47 bytes (0x2f)
0000: Content-Type: application/json; charset=utf-8
<= Recv header, 28 bytes (0x1c)
0000: Transfer-Encoding: chunked
<= Recv header, 24 bytes (0x18)
0000: Connection: keep-alive
<= Recv header, 13 bytes (0xd)
0000: Status: 500
<= Recv header, 60 bytes (0x3c)
0000: X-Powered-By: Phusion Passenger (mod_rails/mod_rack) 3.0.9
<= Recv header, 63 bytes (0x3f)
0000: Access-Control-Allow-Methods: POST, GET, PUT, DELETE, OPTIONS
<= Recv header, 78 bytes (0x4e)
0000: Access-Control-Allow-Headers: x-requested-with, Authorization, X
0040: -Titanium-Id
<= Recv header, 40 bytes (0x28)
0000: Access-Control-Allow-Credentials: true
<= Recv header, 25 bytes (0x19)
0000: Cache-Control: no-cache
<= Recv header, 35 bytes (0x23)
0000: X-UA-Compatible: IE=Edge,chrome=1
<= Recv header, 21 bytes (0x15)
0000: X-Runtime: 0.704559
== Info: HTTP error before end of send, stop sending
<= Recv header, 2 bytes (0x2)
0000: 
<= Recv data, 178 bytes (0xb2)
0000: ac
0004: {.  "meta": {.    "status":"fail",.    "code":500,.    "message"
0044: :"Internal server error. The Appcelerator Cloud Services Team ha
0084: s just been notified of this problem.".  }.}
{
  "meta": {
    "status":"fail",
    "code":500,
    "message":"Internal server error. The Appcelerator Cloud Services Team has just been notified of this problem."
  }
}<= Recv data, 5 bytes (0x5)
0000: 0
0003: 
== Info: Closing connection 0