Update Revision Part

I have item Part, with revision is "A" and state "Released" Now, i want update revision increment "B", but appear error "You have insufficient permissions to perform 'update' operation" Please for help me! Source code C#:

Item queryItem = _ArasInnovator._Innovator.newItem("Part","edit"); queryItem.setProperty("major_rev", "B"); queryItem.setAttribute("where", "item_number='5656'"); queryItem.setAttribute("and", "major_rev='A'"); Item araspartItems = queryItem.apply();

Error detail:

<SOAP-ENV:Envelope xmlns:SOAP-ENV="">schemas.xmlsoap.org/.../"> <SOAP-ENV:Body> <SOAP-ENV:Fault xmlns:af="">www.aras.com/InnovatorFault"> <faultcode>SOAP-ENV:Server.InsufficientPermissionsException</faultcode> <faultstring> <![CDATA[You have insufficient permissions to perform 'update' operation.]]> </faultstring> <detail> <af:legacy_detail> <![CDATA[You have insufficient permissions to perform 'update' operation.]]> </af:legacy_detail> <af:exception message="You have insufficient permissions to perform 'update' operation." type="Aras.Server.Core.InsufficientPermissionsException" /> <af:permission type="can_update" itemtype="Part" id="4E96B653970E4DC19B929FFF74E3FF3C" /> </detail> </SOAP-ENV:Fault> </SOAP-ENV:Body> </SOAP-ENV:Envelope>