Title: Database has changed
Last modified: August 22, 2016

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# Database has changed

 *  [P3Hamburg](https://wordpress.org/support/users/p3hamburg/)
 * (@p3hamburg)
 * [11 years, 4 months ago](https://wordpress.org/support/topic/database-has-changed/)
 * Hey!
    I installed your WP Calendar widget on a **site of a network (multisite)**
   and got an error message: “The database of WP Calendar has changed. Please reactivate(
   deactivate and activate) the plugin to upgrade your database structure.”
 * Reactivating the plugin does not solve the problem. Do you have any idea how 
   to make it work?
 * Thanks!
 * Jan
 * [https://wordpress.org/plugins/wp-calendar/](https://wordpress.org/plugins/wp-calendar/)

The topic ‘Database has changed’ is closed to new replies.

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 * 0 replies
 * 1 participant
 * Last reply from: [P3Hamburg](https://wordpress.org/support/users/p3hamburg/)
 * Last activity: [11 years, 4 months ago](https://wordpress.org/support/topic/database-has-changed/)
 * Status: not resolved