[Plugin: LeagueManager] Activation problem
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After activation of the plugin leaguemanager this MessagePad showing up ‘Warning: call_user_func_array() expects parameter 1 to be a valid callback, first array member is not a valid class name or object in …/wp-includes/plugin.php on line 403’.
Wp 3.4.2 & lm 3.8
Thank you,
Francesco
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