Title: Error upon activating plugin
Last modified: August 22, 2016

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# Error upon activating plugin

 *  [jimnaum](https://wordpress.org/support/users/jimnaum/)
 * (@jimnaum)
 * [11 years, 7 months ago](https://wordpress.org/support/topic/error-upon-activating-plugin-1/)
 * When I activated the plugin on my site, I get the error message “The plugin generated
   112 characters of unexpected output during activation. If you notice “headers
   already sent” messages, problems with syndication feeds or other issues, try 
   deactivating or removing this plugin.” How can I troubleshoot this further?
 * [https://wordpress.org/plugins/openbook-book-data/](https://wordpress.org/plugins/openbook-book-data/)

The topic ‘Error upon activating plugin’ is closed to new replies.

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 * [OpenBook Book Data](https://wordpress.org/plugins/openbook-book-data/)
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 * [Unresolved Topics](https://wordpress.org/support/plugin/openbook-book-data/unresolved/)
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 * 0 replies
 * 1 participant
 * Last reply from: [jimnaum](https://wordpress.org/support/users/jimnaum/)
 * Last activity: [11 years, 7 months ago](https://wordpress.org/support/topic/error-upon-activating-plugin-1/)
 * Status: not resolved