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Problem:
The client's website displays a blank page when navigating to a certain page. An error of type E_ERROR is reported, indicating an undefined function

wp_enqueue_block_style()

in the WPML Multilingual CMS plugin.
Solution:
1. We recommend checking the WPML errata page for known issues related to this error: WPML Errata page.
2. We have released a beta version of the WPML Multilingual CMS plugin that should resolve this issue. If you are willing to try it, you can download the beta version from the WPML changelog page: WPML Changelog page.

If this solution does not seem relevant to your situation, please open a new support ticket on our WPML support forum.