ernestD

Problem:
If you're experiencing the 'sprintf(): Too few arguments' error on your website specifically when using the Thai language, it might be related to the WPML String Translation plugin.
Solution:
We recommend trying the workaround provided in the WPML errata. Please ensure to back up your site before proceeding. You can find the necessary steps here: WPML Errata on sprintf() Error.

If this solution does not apply to your case, or if it seems outdated, we highly recommend checking related known issues at https://wpml.org/known-issues/, verifying the version of the permanent fix, and confirming that you have installed the latest versions of themes and plugins. Should you need further assistance, please do not hesitate to open a new support ticket at WPML Support Forum.