Problem: If you're experiencing issues with the & character being removed when translating strings in the Advanced Translator, you're not alone. Solution: We are aware of this problem and it has been escalated to our developers for a fix. In the meantime, we recommend using the previous version of the Advanced Translator. This should help retain the & character in your translations.
Please note that this solution might be outdated or not applicable to your specific case. 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. If the issue persists, please open a new support ticket.