Description Elvis Dominguez 2012-12-04 03:44:25 EST

This error appears only (following some tests) on IE8. Firefox and Chrome (both on win and linux) works.
It is apparently a perspective also used in many places... I can't understand what is wrong here.

Exception page:
Could not process server response:

Error: Invalid argument.

  Script: {
"meta": {
"requestCounter": 27
},
"operations": [ [ "destroy", "w146" ], [ "destroy", "w123" ], [ "destroy", "w122" ], [ "destroy", "w121" ], [ "destroy", "w120" ], [ "destroy", "w134" ], [ "destroy", "w137" ], [ "destroy", "w145" ], [ "destroy", "w150" ], [ "destroy", "w156" ], [ "destroy", "w155" ], [ "destroy", "w154" ], [ "destroy", "w153" ], [ "destroy", "w152" ], [ "destroy", "w149" ], [ "destroy", "w148" ], [ "destroy", "w147" ], [ "destroy", "w151" ], [ "destroy", "w135" ], [ "destroy", "w136" ], [ "destroy", "w139" ], [ "destroy", "w140" ], [ "destroy", "w144" ], [ "destroy", "w143" ], [ "destroy", "w142" ], [ "destroy", "w141" ], [ "destroy", "w138" ], [ "destroy", "w157" ], [ "set", "w23", {
"text": "Saldi CC/conti - ",
"activeControl": "w170"
} ], [ "create", "w171", "rwt.widgets.Menu", {

// {...  code omitted ...}

} ], [ "create", "w223", "rwt.widgets.Sash", {
"parent": "w211",
"style": [ "HORIZONTAL", "SMOOTH" ],
"bounds": [ 562, 319, 561, 3 ],
"tabIndex": -1
} ], [ "set", "w53", {
"tabIndex": 44
} ], [ "set", "w54", {
"tabIndex": 47
} ], [ "set", "w1", {
"focusControl": "w170"
} ], [ "set", "uicb", {
"active": true
} ], [ "call", "w1", "measureStrings", {
"strings": [ [ 18687390, "Conti", [ "Verdana", "Lucida Sans", "Arial", "Helvetica", "sans-serif" ], 14, false, false, -1, false ], [ 801767592, "Centri costo", [ "Verdana", "Lucida Sans", "Arial", "Helvetica", "sans-serif" ], 14, false, false, -1, false ] ]
} ] ]
}
  name: Error
  number: -2147024809
  description: Invalid argument.
  message: Invalid argument.
  Debug: off
  Request: org.eclipse.swt.events.widgetSelected=w164&w23.activeControl=w23&org.eclipse.swt.events.menuHidden=w63&w1.cursorLocation.x=174&w1.cursorLocation.y=42&uiRoot=w1&requestCounter=26
  Phase: 3