Title: error when installing plugin event calender 3… Last modified: August 18, 2016 --- # error when installing plugin event calender 3… * [innerchild](https://wordpress.org/support/users/innerchild/) * (@innerchild) * [20 years, 9 months ago](https://wordpress.org/support/topic/error-when-installing-plugin-event-calender-3/) * …and using WP 1.5.2 together with template POOL. i am getting this error: cant get it installed.. get this error: “ERROR! Function get_category() is not defined. Upgrade to the latest version of WordPress!” and i am using WP1.5.2 and the template POOL.. * any idea? Viewing 2 replies - 1 through 2 (of 2 total) * Thread Starter [innerchild](https://wordpress.org/support/users/innerchild/) * (@innerchild) * [20 years, 9 months ago](https://wordpress.org/support/topic/error-when-installing-plugin-event-calender-3/#post-258934) * hmm noone having that problem ;( i dont have a clue myself..to bad about that plugin that looked so good. and the maker of the plugin doesnt answer my questions either. * Thread Starter [innerchild](https://wordpress.org/support/users/innerchild/) * (@innerchild) * [20 years, 9 months ago](https://wordpress.org/support/topic/error-when-installing-plugin-event-calender-3/#post-258936) * hmm i was SURE about me having 1.5.2! but nooooo NOW i have 1.5.2 and all works as it should…DAMN FINE! 🙂 Viewing 2 replies - 1 through 2 (of 2 total) The topic ‘error when installing plugin event calender 3…’ is closed to new replies. ## Tags * [calender](https://wordpress.org/support/topic-tag/calender/) * [event](https://wordpress.org/support/topic-tag/event/) * 2 replies * 1 participant * Last reply from: [innerchild](https://wordpress.org/support/users/innerchild/) * Last activity: [20 years, 9 months ago](https://wordpress.org/support/topic/error-when-installing-plugin-event-calender-3/#post-258936) * Status: not resolved ## Topics ### Topics with no replies ### Non-support topics ### Resolved topics ### Unresolved topics ### All topics