wpsnoop Function wm_edit_vertical_map() conflicts found in 2 plugins

A php function called wm_edit_vertical_map() is used in 2 wordpress plugins/themes and could produce a potential conflict if the wrong combination of themes and plugins is used on your site.

To prevent this from happening developers are encouraged to use namespaces and scopes that isolate their functions from colliding with other functions but this is not always done correctly.

We hope this reference helps you to find PHP Fatal error: Cannot redeclare wm_edit_vertical_map()

The following 2 plugins register a function called wm_edit_vertical_map():

Plugin
Nested Pages (Tree Page View)
Tree Website Map