If I have errors set to system default I get these, which are what you are referring too.... of course turning errors off nothing is displayed.
Set on simple and none are displayed either.
Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; jevFilter has a deprecated constructor in mysiteinfo/components/com_jevents/libraries/filters.php on line 261
Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; jevBooleanFilter has a deprecated constructor in mysiteinfo/components/com_jevents/libraries/filters.php on line 420
Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; jevTitleFilter has a deprecated constructor in mysiteinfo/components/com_jevents/libraries/filters.php on line 455
Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; AlternativeBuildMonthSelect has a deprecated constructor in mysiteinfo/components/com_jevents/views/alternative/helpers/alternativebuildmonthselect.php on line 4