> For the complete documentation index, see [llms.txt](https://uxper.gitbook.io/sala-wp/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://uxper.gitbook.io/sala-wp/faqs/how-to-fix-the-warning-warning-constant-uxper_...-already-defined-in....md).

# How to fix the warning " Warning: Constant UXPER\_... already defined in..."

<figure><img src="/files/yid0m13N2JjEwRackbAl" alt=""><figcaption></figcaption></figure>

To fix the error please deactivate the Uxper Crypto plugin or install the Uxper Crypto plugin version below:

<https://www.dropbox.com/s/s4fdbf5ohn2pynj/uxper-crypto.zip?dl=0>
