wpsnoop Function pto_filter_calendar() conflicts found in 1 plugin

A php function called pto_filter_calendar() is used in 1 wordpress plugin/theme 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 pto_filter_calendar()

The following plugin registers a function called pto_filter_calendar():

Plugin
Projectopia - WordPress Project Management Plugin