Title: Error 153
Last modified: December 9, 2025
---
# Error 153
* Resolved [Lap](https://wordpress.org/support/users/lapzor/)
* (@lapzor)
* [5 months, 3 weeks ago](https://wordpress.org/support/topic/error-153-3/)
* When i use this block, it shows the generated preview, but when I click play
to load the iframe I get an error from youtube:
Error 153Video player configuration
errorCopy debug info:
* ```wp-block-code
"debug_error": "{\"errorCode\":\"embedder.identity.missing.referrer\"
```
Viewing 3 replies - 1 through 3 (of 3 total)
* Thread Starter [Lap](https://wordpress.org/support/users/lapzor/)
* (@lapzor)
* [5 months, 3 weeks ago](https://wordpress.org/support/topic/error-153-3/#post-18748959)
* Fixed it, needed to add
add_header Referrer-Policy “strict-origin-when-cross-
origin” always;
* in my vhost
* Plugin Author [Phi Phan](https://wordpress.org/support/users/mr2p/)
* (@mr2p)
* [5 months, 3 weeks ago](https://wordpress.org/support/topic/error-153-3/#post-18748972)
* Hi Lap [@lapzor](https://wordpress.org/support/users/lapzor/),
* Thanks for reporting the issue, and great to hear you got it sorted out!
Your
solution will be helpful for others who may run into the same error, so I really
appreciate you sharing it.
* Thanks, Phi.
* Thread Starter [Lap](https://wordpress.org/support/users/lapzor/)
* (@lapzor)
* [5 months, 3 weeks ago](https://wordpress.org/support/topic/error-153-3/#post-18748981)
* Note for other users:
of course the way how to set the referrer-Policy depends
on your server, in my case it’s ngnix and i have access to my vhost file so I
did it there. On other servers you might do it via htaccess or maybe the easiest
way by adding a meta tag to your wordpress htaccess version:
* ```wp-block-code
Header set Referrer-Policy "strict-origin-when-cross-origin"
```
* or meta tag (in your
* ```wp-block-code
```
Viewing 3 replies - 1 through 3 (of 3 total)
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* 
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* 3 replies
* 2 participants
* Last reply from: [Lap](https://wordpress.org/support/users/lapzor/)
* Last activity: [5 months, 3 weeks ago](https://wordpress.org/support/topic/error-153-3/#post-18748981)
* Status: resolved