Title: dev1997's Profile | WordPress.org

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# dev1997

  [  ](https://wordpress.org/support/users/dev1997/)

 *   [Profile](https://wordpress.org/support/users/dev1997/)
 *   [Topics Started](https://wordpress.org/support/users/dev1997/topics/)
 *   [Replies Created](https://wordpress.org/support/users/dev1997/replies/)
 *   [Reviews Written](https://wordpress.org/support/users/dev1997/reviews/)
 *   [Topics Replied To](https://wordpress.org/support/users/dev1997/replied-to/)
 *   [Engagements](https://wordpress.org/support/users/dev1997/engagements/)
 *   [Favorites](https://wordpress.org/support/users/dev1997/favorites/)

 Search topics:

## Topics Engaged In

    - Topic
    - Participants
    - Replies
    - Last Post
 *  -  [Uncaught TypeError: MutationObserver.observe: Argument 1 is not an object](https://wordpress.org/support/topic/uncaught-typeerror-mutationobserver-observe-argument-1-is-not-an-object/)
    -  Started by: [dev1997](https://wordpress.org/support/users/dev1997/)
    - 2
    - 1
    -  [3 years, 5 months ago](https://wordpress.org/support/topic/uncaught-typeerror-mutationobserver-observe-argument-1-is-not-an-object/#post-16288021)
    -  [V.](https://wordpress.org/support/users/mypixels/)
 *