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Empty subjects, posts and alot of preg_replace() errors

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  • Empty subjects, posts and alot of preg_replace() errors

    Hi all,

    Since this night our forum has started to act weird. All posts and pm's are just empty, no subject or body text, not even in the database. Tried reparing all tables but no luck. Checked the apache error log and saw this line many times:
    PHP Warning: preg_replace(): Compilation failed: regular expression is too large at offset 65557 in /www/ on line 1164

    Nothing has been changed or anything since last night, no updates and passwords has been changed. All has been working great until this night.

    The server is a Ubuntu 14.04.3 (64bit) running Apache 2.4.7, PHP 5.5.9, MySQL 5.5.44 and vBulletin 4.2.3.

    Anyone got any idea?

  • #2
    Maybe you got hacked?
    vBulletin Works --> HIRE ME


    widgetinstance 262 (Related Topics) skipped due to lack of content & hide_module_if_empty option.