Unable to start sdpController

[caicaizi1234567]

cc@cc-virtua l-machine :~/SDPcontrollerS node .1 sdpcontroller .js
tls common. js:135
c.context.setCert(cert);

Error : error : 0909006C : PEM routines: get name: no start line

     at object. createSecureContext (_ tls_ common. js:135:17 )

     at new Server (_ tls_ wrap. js:873:27)

     at object.createServer (_ tls_ wrap.js:919:10)

     at startServer ( /home /cc /SDPcontroller /sdpController .js:195:22)

     at startDbPool ( /home /cc/SDPcontroller /sdpController .jS:164:5)

     at checkDbPassword ( /home/cc /SDPcontroller / sdpController . js:115:9)

     at startController ( /home/cc/SDPcontroller /sdpController.js:83:9)

     at credentialMaker . init ( /home/cc /SDPcontroller / sdpCr edentialMaker . js:38:5)at object . <anonymous> ( /home /cc /SDPcontroller /sdpController . js:79:19)

     at Module._ compile ( internal/modules/cjs/loader . js:778:30)

[takahiro-ono]

Are the server certificate and key properly formatted which are specified in config. js?