Title: [Level2Categories 2] Support | WordPress.org

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# [Level2Categories 2] Support

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 *  -  [[Plugin: Level2Categories 2] supplied argument is not a valid MySQL](https://wordpress.org/support/topic/plugin-level2categories-2-supplied-argument-is-not-a-valid-mysql/)
    -  Started by: [supersquirrel](https://wordpress.org/support/users/supersquirrel/)
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    -  [15 years, 9 months ago](https://wordpress.org/support/topic/plugin-level2categories-2-supplied-argument-is-not-a-valid-mysql/)
    -  [supersquirrel](https://wordpress.org/support/users/supersquirrel/)
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