I am using SideBarMenu Extension into wiki 135.1. But its showing Warning messages, also Not showing side bar menus. please suggest me any solution or any other extension if i can use for my work.
Warning: Constant SBM_EXPANDED already defined in C:\xampp\htdocs\mw\extensions\SideBarMenu\SideBarMenu.php on line 18
Warning: Constant SBM_CONTROLS_SHOW already defined in C:\xampp\htdocs\mw\extensions\SideBarMenu\SideBarMenu.php on line 19
Warning: Constant SBM_CONTROLS_HIDE already defined in C:\xampp\htdocs\mw\extensions\SideBarMenu\SideBarMenu.php on line 20
Warning: Constant SBM_JS_ANIMATE already defined in C:\xampp\htdocs\mw\extensions\SideBarMenu\SideBarMenu.php on line 21
Warning: Constant SBM_EDIT_LINK already defined in C:\xampp\htdocs\mw\extensions\SideBarMenu\SideBarMenu.php on line 22
Warning: Constant SBM_CLASS already defined in C:\xampp\htdocs\mw\extensions\SideBarMenu\SideBarMenu.php on line 23
Warning: Constant SBM_STYLE already defined in C:\xampp\htdocs\mw\extensions\SideBarMenu\SideBarMenu.php on line 24
Warning: Constant SBM_MINIMIZED already defined in C:\xampp\htdocs\mw\extensions\SideBarMenu\SideBarMenu.php on line 25