Failed to allocate graph: NC_ERROR

[Hellmark__jacob]

Hi, 

When i run sudo ./demo_security_barrier_camera.sh -d MYRIAD i get this error:

E: [xLink] [    974908] dispatcherEventSend:924    Write failed header -1 | event XLINK_WRITE_REQ

E: [xLink] [    974908] eventSchedulerRun:584    Event sending failed
E: [xLink] [    975084] handleIncomingEvent:279    handleIncomingEvent() Read failed -4

E: [xLink] [    975084] dispatcherEventReceive:347    dispatcherEventReceive() Read failed -4 | event 0x7f2a5e029c60 XLINK_WRITE_REQ

E: [xLink] [    975084] eventReader:233    eventReader stopped
E: [xLink] [    975084] XLinkReadDataWithTimeOut:1343    Event data is invalid
E: [ncAPI] [    975084] ncGraphAllocate:1822    Can't read input tensor descriptors of the graph, rc: X_LINK_ERROR
[ ERROR ] Failed to allocate graph: NC_ERROR
Error on or near line 228; exiting with status 1
 

when it tries to load Vehicle Detection to the MYRIAD plugin 

a while a go everyting worked fine but now suddenly i got this error 

anyone have a sulution 

[Shubha_R_Intel]

Dear Hellmark, jacob,

First of all, did you upgrade your Linux OS ? What version of OpenVino are you using ? It could be your usb boot rules. Kindly check the below document:

http://docs.openvinotoolkit.org/latest/_docs_install_guides_installing_openvino_linux.html#additional-NCS-steps

Hope it helps,

Shubha