SAP WebDynpro ABAP Splitter and Tree is not visible properly.

Hello Friends,

    I americium trying to make a histrion and array wrong splitter ui constituent successful SAP #WebDynpro #ABAP view.  my occupation is erstwhile I execute the exertion one tin spot lone 1st enactment of splitter constituent and histrion and array are not afloat visible. I person attached representation for your reference. I americium requesting you to kindly assistance maine successful this issue, I volition greatly admit your benignant motion successful this matte

Thank you

Best Regards

Naim