title: AzerothCore DBand macOS: functions.sh: line 117: ${1,,}: bad substitution
body: <p>When trying to install the <a href="https://www.azerothcore.org/wiki/Database-Setup" rel="nofollow noreferrer">AzerothCore Database</a> in macOS Catalina, using:</p>
  <pre><code>bash ./bin/acore-db-asm 
  </code></pre>
  <p>I get the following error:</p>
  <blockquote>
  <p>azerothcore-wotlk/apps/db_assembler/includes/functions.sh: line 117: ${1,,}: bad substitution</p>
  </blockquote>