title: Could not write in file "pg_subtrans/000B" with pgAdmin 4
body: <p>In pg_admin 4 when i'm trying to create a new database I have this error :</p>
  
  <p><code>ERROR : could not access status of transaction 0 DETAIL : Could not write to file pg_subtrans/000B" at offset 131072 : No space left on device</code></p>
  
  <p>My disk have a lot of gigas free (33GB).</p>
  
  <p>More information : When I want to open the list of tables, it takes more time than usual. </p>
  
  <p>I don't know where I can find this file, and if i can delete it or something, or how to repair this error.</p>
  
  <p>Thanks</p>