Please add the function of [Save Script] > [To Data Table...] to Ishikawa Diagram.
Seeing the log, the script of Ishikawa Diagram includes data like this.
Diagram(
hierarchy(
Hier Box(
Text Edit Box( "..." ),
Please code column names not their values like this.
Diagram( Child( :child ), Parent( :parent ), Label(:name), By(:grp) );