Title: Error: undefined index: HTTP_USER_AGENT
Last modified: April 23, 2019

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# Error: undefined index: HTTP_USER_AGENT

 *  [Gabor Lippert](https://wordpress.org/support/users/lunule/)
 * (@lunule)
 * [7 years, 1 month ago](https://wordpress.org/support/topic/error-undefined-index-http_user_agent/)
 * Hi,
 * We get tons of errors, related to this plugin, in our debug.log file:
    `[date]
   PHP Notice: Undefined index: HTTP_USER_AGENT in (...)/wp-content/plugins/logo-
   slider/logo-slider.php on line 207`
 * Could you please investigate this further?
 * Thanks,
    Lunule

The topic ‘Error: undefined index: HTTP_USER_AGENT’ is closed to new replies.

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## Tags

 * [HTTP_USER_AGENT](https://wordpress.org/support/topic-tag/http_user_agent/)
 * [php-error](https://wordpress.org/support/topic-tag/php-error/)
 * [undefined index](https://wordpress.org/support/topic-tag/undefined-index/)

 * 0 replies
 * 1 participant
 * Last reply from: [Gabor Lippert](https://wordpress.org/support/users/lunule/)
 * Last activity: [7 years, 1 month ago](https://wordpress.org/support/topic/error-undefined-index-http_user_agent/)
 * Status: not resolved