async loadCoreTranslations (lang) {
			if (lang in translations) {
				Log.log(`Loading core translation file: ${translations[lang]}`);
				this.coreTranslations = await loadJSON(translations[lang]);
			} else {
				Log.log("Configured language not found in core translations.");
			}

			await this.loadCoreTranslationsFallback();
		}
Load the core translations.
@param {string} lang The language identifier of the core language.