Need Help Regarding Menu Magement in admin

Check your PHP memory limit; memory should be 64MB or above.
you can try increasing Memory limit by adding define ('WP_MEMORY_LIMIT', '128M'); in wp-config.php file.

Related Posts:

  1. Remove Pagination in Appearance -> Menus -> Categories
  2. Theme menu in Admin Panel
  3. How to remove menu installed in wp-admin by a theme? [closed]
  4. wp_is_mobile() inside js
  5. Changing the Order of Admin Menu Sections?
  6. Placing a Custom Post Type Menu Above the Posts Menu Using menu_position?
  7. Add separator to admin submenu
  8. Remove unusable metaboxes in nav menu management screen
  9. How do I fix this error: Warning: invalid argument supplied for foreach()?
  10. Menu is invisible in admin panel but it’s visible in front-end [closed]
  11. Add column to pages table
  12. Is it possible to add a filter for the output of nav-menu items in admin?
  13. How to make pages metabox display all hierarchy in menu admin?
  14. Hide pages depending on role
  15. How can I get an array/list of all current WordPress Admin Menu items?
  16. how to only add a top-level admin menu without it creating a sub-level-menu
  17. WP /wp-admin/admin-ajax.php produces 404
  18. Sort wp_nav_menu() by menu order
  19. Hiding Admin Page While Keeping Menu Expanded
  20. Wp menu add page link as custom empty link
  21. Missing Menus Structure
  22. show different admin menu to different user roles
  23. Navigation Menus Depth for specific menus
  24. Change name & menu_name for Profile in the default menu, w/o altering core files?
  25. Add column to pages table
  26. Change search results order for Admin -> Appearance -> Menus -> Pages -> View all
  27. WordPress menu not loading in the admin side appearence-> menu tab
  28. Programmatically add existing pages and subpages to Appearance Menu
  29. WordPress Plugin menu position overwrite other item
  30. Ad custom admin page like WordPress customizer [closed]
  31. Dynamic admin submenu
  32. Custom Menu Broken WP 3.8.1 Update
  33. Limit User Iinterface for Admin?
  34. In the Admin Dashboard, can I choose which sections to display?
  35. Rename menu items for All except super admin
  36. Admin top level menu, pointing to an external url
  37. WP admin style not refreshing
  38. enqueue script during add menu items means before save menu items
  39. In admin edit-menu screen, newly added menu items always go to the bottom of the list
  40. Additional navigation bar in header
  41. WordPress menu items automatically becoming empty custom links
  42. How to remove empty menu space when creating admin page without menu title using add_submenu_page
  43. How to work with a custom theme that someone else created before me? (details below)
  44. Restrict user to edit only edit a certain menu
  45. Roles see different top menu (nav menu)
  46. how to configure this type of menu
  47. how to create pages and link them to a menu
  48. Dashicons not showed for admin menu
  49. Menus not visible in Appearance after being registered
  50. How to separate sub-menu output and keep associated with parent
  51. How to create menu in Word Press 4.2.2?
  52. Appearance > Menus
  53. Removing menu item doesn’t get removed on edit post
  54. Customizing label/title output of admin nav_menu selecter
  55. Is It Possible To A Link To The Homepage From The Admin Sidebar?
  56. Create custom page and custom menu
  57. How to let the role “editor” to control the menu?
  58. Add custom fields to specific menus
  59. Rename Menu icon in Twenty seventeen theme
  60. Critical Error when editing menu
  61. add_submenu_page add multilevel menu
  62. How to add an tag when a menu item is a dropdown(or has a sub-menu) [duplicate]
  63. Auto Filled Custom Menus for Custom Post Types?
  64. Remove “Next Post” in nav_menu
  65. To Add Logout Button in Menu [duplicate]
  66. Add qtranslate language select box to menu [closed]
  67. wp_nav_menu doesn’t show on index page
  68. Setting up menus before making a template live
  69. Custom menus not showing
  70. Adding an additional menu in WordPress
  71. Adding Sub Menu In a theme which Do not have Menu Options
  72. ID of parent Menu
  73. wordpress superfish dropdown menu
  74. Add custom ID to wp_nav_menu list items
  75. Drop down menus css in custom menus
  76. Creating a custom menu
  77. How to set up suhosin.ini for unlimited menus
  78. Pick out specific menu item from code
  79. Show All Children of WordPress Menu
  80. Navigation list not correctly styled on pages with custom template (missing .current-menu-item)
  81. List WordPress Custom Menu’s active parent level’s children as separate menu
  82. Is there a limit to number of pages displayed for selection in custom menu?
  83. menu doesn’t show in different languages
  84. Make title bar collapse when scrolling
  85. Somehow lost my MENU from my home page- help!
  86. How to completely remove the top section with the menu?
  87. Unable to edit Navigation bar
  88. Convert HTML code to WordPress menu
  89. Editor user only allow to post on certain categories
  90. Menu Underline shows without Hover after adding subitems
  91. how to show a custom taxonomy as dropdown in wordpress?
  92. Display Username as parent menu item
  93. My html data comes after the nav menu renders?
  94. How to modify menu text in callback function of ‘walker_nav_menu_start_el’ hook
  95. How to view menu and submenus in URL
  96. How can I stop wp_nav_menu from returning extraneous root links?
  97. Add class to current category menu item
  98. Adding ‘Original’ URL for Custom links
  99. Problem to asign class to with wp_nav_menu()
  100. Permalinks linking to similar named site
Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)