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Error after disabling "WP-Newsletter" Plugin - call_user_func_array( (2 posts)

  1. srijit92
    Posted 3 years ago #

    Warning: call_user_func_array() [function.call-user-func-array]: First argument is expected to be a valid callback, 'check_theme_switched' was given in /home/xxxxxx/public_html/blog/wp-includes/plugin.php on line 405

    I'm getting the above error as i'm disabling or deleting the WP-Newsletter Plugin. Please help.

  2. am3nnet
    Posted 2 years ago #

    I solve it by upgrading wordpress to latest version (currently 3.3.2)

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