title: Illegal mix of collations (utf8mb4_unicode_ci,IMPLICIT) and (utf8mb4_general_ci,IMPLICIT) for operation '='
body: <p>I got this error;</p>
  
  <blockquote>
    <p>Illegal mix of collations (utf8mb4_unicode_ci,IMPLICIT) and (utf8mb4_general_ci,IMPLICIT) for operation '='</p>
  </blockquote>
  
  <p>I changed "Collations" to "utf8mb4_unicode_ci". Then tables were truncated and I re-import rows again. But still getting same error</p>