I am using sendhttp node and using https POST I keep getting this error in

I am using sendhttp node and using https POST
I keep getting this error in the log. i believe i proved the endpoint, header name, header value, body , user,pwd,domain

Not sure what am i missing.
com.appiancorp.process.engine.UnattendedJavaActivityRequest - An error occurred while executing activity: id=67377, classname=com.appiancorp.process.runtime.activities.HttpRequestActivityNTLM
java.lang.ArrayIndexOutOfBoundsException: 1
          at com.appiancorp.util.http.HttpUtils.buildHttpMethod(HttpUtils.java:87)
          at com.appiancorp.process.runtime.activities.HttpRequestActivityNTLM.run(HttpRequestActivityNTLM.java:83)
          at com.appiancorp.process.runtime.framework.DefaultActivityExecutor$1.call(DefaultActivityExecutor.java:101)
          at com.appiancorp.process.runtime.framework.DefaultActivityExecutor$1.call(DefaultActivityExecutor.java:98)
          at com.appiancorp.common.ContextClassLoaderSwitcher.runInContext(ContextClassLoaderSwitcher.java:25)
          at com.appiancorp.process.runt...

OriginalPostID-93608

OriginalPostID-93608