Support » Installing WordPress » Error/warraning after upgradation from 2.5 to 2.6

  • Hello, i have just upgraded from 2.5 to 2.6.
    A warning messages is showing. can any one explain what is it and how to solve this issue.???
    Warning: call_user_func_array() []: First argumented is expected to be a valid callback, ‘version_warning’ was given in /home/XXX/public_html/wp-includes/plugin.php on line 311

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  • mrmist


    Forum Janitor

    Did you replace ALL the wordpress files?

    We all have problems with 2.6 of one kind or another but it seems no two people have the same ones.

    here is my error:

    Fatal error: Cannot redeclare get_the_terms() (previously declared in /home/ay54321/public_html/howtodietblog/wp-includes/category-template.php:494) in /home/ay54321/public_html/howtodietblog/wp-content/plugins/sem-extract-terms/sem-extract-terms.php on line 229


    This is what I get..I’ve downloaded and unintalled so many times…and now I just wish I never would’ve upraded any help will be greatly appreciated…
    Here’s the error
    Warning: require(/home/mtorimar/public_html/wp-includes/compat.php) [function.require]: failed to open stream: No such file or directory in /home/mtorimar/public_html/wp-settings.php on line 202

    Fatal error: require() [function.require]: Failed opening required ‘/home/mtorimar/public_html/wp-includes/compat.php’ (include_path=’.:/usr/lib/php:/usr/local/lib/php’) in /home/mtorimar/public_html/wp-settings.php on line 202

    my site is

    Got the same plugin error. Disable all plugins and reenable them one at a time till you find the one that causes the error.
    Register Plus 2.9 was causing this error on mine.

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