Title: JS Error on admin when saving post
Last modified: September 8, 2024

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# JS Error on admin when saving post

 *  [shirgans](https://wordpress.org/support/users/shirgans/)
 * (@shirgans)
 * [1 year, 9 months ago](https://wordpress.org/support/topic/js-error-on-admin-when-saving-post/)
 * When saving a post after making some changes, we get an error:
 * TypeError: Cannot read properties of undefined (reading ‘toLowerCase’)
   smtp-com-
   mail-admin.js?ver=1.0.0:260

Viewing 1 replies (of 1 total)

 *  Thread Starter [shirgans](https://wordpress.org/support/users/shirgans/)
 * (@shirgans)
 * [1 year, 9 months ago](https://wordpress.org/support/topic/js-error-on-admin-when-saving-post/#post-18001580)
 * Also with Gutenberg editor, we have issues, as the content does not display at
   all

Viewing 1 replies (of 1 total)

The topic ‘JS Error on admin when saving post’ is closed to new replies.

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## Tags

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

 * 1 reply
 * 1 participant
 * Last reply from: [shirgans](https://wordpress.org/support/users/shirgans/)
 * Last activity: [1 year, 9 months ago](https://wordpress.org/support/topic/js-error-on-admin-when-saving-post/#post-18001580)
 * Status: not resolved