Title: HTTP error! status: 401
Last modified: March 3, 2026

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# HTTP error! status: 401

 *  [Dieter Geiling](https://wordpress.org/support/users/dieter93/)
 * (@dieter93)
 * [6 months, 1 week ago](https://wordpress.org/support/topic/http-error-status-401/)
 * Hi there:
   since today and with WordPress 6.9, I’m getting this error in a browser
   pop-up.I’ve installed the latest Meow Lightbox update 5.4.4, but it doesn’t help.
   Ideas?
 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Fhttp-error-status-401%2F%3Foutput_format%3Dmd&locale=en_US)
   to see the link]_

Viewing 4 replies - 1 through 4 (of 4 total)

 *  Thread Starter [Dieter Geiling](https://wordpress.org/support/users/dieter93/)
 * (@dieter93)
 * [6 months, 1 week ago](https://wordpress.org/support/topic/http-error-status-401/#post-18740535)
 * OK, it looks like I now have to activate the Rest API for non-administrative 
   users in Perfmatters. Then the error will be gone.
 *  Thread Starter [Dieter Geiling](https://wordpress.org/support/users/dieter93/)
 * (@dieter93)
 * [6 months ago](https://wordpress.org/support/topic/http-error-status-401/#post-18745198)
 * After conducting several tests, I have concluded that the latest updates represent
   a step backward.
   Previously, the lightbox functioned exceptionally well with 
   page caching. Now, an HTTP error occurs after 24 hours.After clearing the cache,
   it functions again. However, there are still other new issues that did not exist
   before.
 * I have now found another lightbox that works perfectly so far. The good news 
   is that it is even 60% smaller.
 * For me, it’s important that caching works. If a developer says they don’t support
   caching, I’m out!
 * It’s also a shame that support didn’t respond to the latest problems here. That
   destroys trust. I realize that it’s not easy to provide free support directly.
   But if the developer says that support for the free version is only available
   here in the WordPress support forum (as stated on their website), they should
   check in from time to time.
 * Nevertheless, I wish the developer every success for the future. Good luck!
 *  Plugin Support [Val Meow](https://wordpress.org/support/users/valwa/)
 * (@valwa)
 * [6 months ago](https://wordpress.org/support/topic/http-error-status-401/#post-18745844)
 * Hey [@dieter93](https://wordpress.org/support/users/dieter93/)! 👋
 * I just replied to your previous message, indeed this seems to be a cache-related
   issue, and it should be fixed soon, please refer to my previous response.
 * Sorry for the inconvenience caused once again! 🙇
 *  Thread Starter [Dieter Geiling](https://wordpress.org/support/users/dieter93/)
 * (@dieter93)
 * [5 months, 3 weeks ago](https://wordpress.org/support/topic/http-error-status-401/#post-18754574)
 * 
   [@valwa](https://wordpress.org/support/users/valwa/), Please do not simply mark
   the support request as resolved after writing a reply. This is bad practice and
   does not help anyone – thank you.

Viewing 4 replies - 1 through 4 (of 4 total)

The topic ‘HTTP error! status: 401’ is closed to new replies.

 * ![](https://ps.w.org/meow-lightbox/assets/icon-256x256.gif?rev=3004933)
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 * 4 replies
 * 4 participants
 * Last reply from: [Dieter Geiling](https://wordpress.org/support/users/dieter93/)
 * Last activity: [5 months, 3 weeks ago](https://wordpress.org/support/topic/http-error-status-401/#post-18754574)
 * Status: not resolved