Title: Illegal string offset ‘cache_keys’
Last modified: June 16, 2018

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# Illegal string offset ‘cache_keys’

 *  [manirana54](https://wordpress.org/support/users/manirana54/)
 * (@manirana54)
 * [7 years, 11 months ago](https://wordpress.org/support/topic/illegal-string-offset-cache_keys/)
 * I get this error when I activate Process Posts’s Content in Optimize Links
 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Fillegal-string-offset-cache_keys%2F%3Foutput_format%3Dmd&locale=en_US)
   to see the link]_

The topic ‘Illegal string offset ‘cache_keys’’ is closed to new replies.

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 * 0 replies
 * 1 participant
 * Last reply from: [manirana54](https://wordpress.org/support/users/manirana54/)
 * Last activity: [7 years, 11 months ago](https://wordpress.org/support/topic/illegal-string-offset-cache_keys/)
 * Status: not resolved