Title: Undefined
Last modified: February 25, 2020

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# Undefined

 *  Resolved [sambouca2020](https://wordpress.org/support/users/sambouca2020/)
 * (@sambouca2020)
 * [6 years, 3 months ago](https://wordpress.org/support/topic/undefined-25/)
 * Hi, i am getting this note once i try to reserve an event in calender:
    (Undefined)
 * I have been using the calender for over a year i have never seen anything like
   this.
    It wont let me book any dates that shows availibitly…
 * Thanks for your help
 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Fundefined-25%2F%3Foutput_format%3Dmd&locale=en_US)
   to see the link]_

Viewing 1 replies (of 1 total)

 *  Plugin Author [yoancutillas](https://wordpress.org/support/users/yoancutillas/)
 * (@yoancutillas)
 * [6 years, 3 months ago](https://wordpress.org/support/topic/undefined-25/#post-12481268)
 * Hello, There was a similar error in 1.7.19, can you make sure you are using 1.7.20?

Viewing 1 replies (of 1 total)

The topic ‘Undefined’ is closed to new replies.

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## Tags

 * [undefined](https://wordpress.org/support/topic-tag/undefined/)

 * 1 reply
 * 2 participants
 * Last reply from: [yoancutillas](https://wordpress.org/support/users/yoancutillas/)
 * Last activity: [6 years, 3 months ago](https://wordpress.org/support/topic/undefined-25/#post-12481268)
 * Status: resolved