I created jenkinsfile for backend and jenkinsfile-gui for frontend components.When I deploy backen everything is ok but when i try to deploy frontend component it fails eith next error:

java.lang.NullPointerException: Cannot get property 'Branch_name' on null object
at org.codehaus.groovy.runtime.NullObject.getProperty(NullObject.java:60)
at org.codehaus.groovy.runtime.InvokerHelper.getProperty(InvokerHelper.java:172)
at org.codehaus.groovy.runtime.DefaultGroovyMethods.getAt(DefaultGroovyMethods.java:257)
at org.codehaus.groovy.runtime.dgm$241.doMethodInvoke(Unknown Source)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1215)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1024)
at org.codehaus.groovy.runtime.callsite.PogoMetaClassSite.call(PogoMetaClassSite.java:42)
at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:48)
at org.codehaus.groovy.runtime.callsite.NullCallSite.call(NullCallSite.java:35)
at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:48)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:113)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:125)
at org.kohsuke.groovy.sandbox.impl.Checker$10.call(Checker.java:416)
at org.kohsuke.groovy.sandbox.impl.Checker.checkedGetArray(Checker.java:418)
at com.cloudbees.groovy.cps.sandbox.SandboxInvoker.getArray(SandboxInvoker.java:45)
at com.cloudbees.groovy.cps.impl.ArrayAccessBlock.rawGet(ArrayAccessBlock.java:21)