title: Left join error in R using dplyr
body: <p>I am trying to perform left join operation in R I am getting the below error is anyone has any idea what the error is trying to say.?  </p>
  
  <pre><code>Feed &lt;- left_join(sa_charge_new1, all_impact_files1, concated_column = concated_column)
  </code></pre>
  
  <p>Error:</p>
  
  <pre><code> Error in left_join_impl(x, y, by$x, by$y, suffix$x, suffix$y, check_na_matches(na_matches)) :
      'translateCharUTF8' must be called on a CHARSXP' 
  </code></pre>