wpsnoop Function acf_upgrade_500_field_groups() conflicts found in 42 plugins
A php function called acf_upgrade_500_field_groups() is used in 42 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 acf_upgrade_500_field_groups()
The following 42 plugins register a function called acf_upgrade_500_field_groups():