Seshat ontology version 1.09 does not load

[Bojan Božić]

Failed to import ontology!

Response:
{
    "readyState": 4,
    "responseText": "",
    "status": 500,
    "statusText": "Internal Server Error"
}

Stack:
POST http://localhost/dacura/rest/schema/import?dqs=false 500 (Internal Server Error)
b.ajaxTransport.send
b.extend.ajax
dacura.system.invoke
dacura.schema.importOntology
(anonymous function)
b.event.dispatch
b.event.add.v.handle