Known issues extended

Author: Webklex

README.md

@@ -187,6 +187,7 @@ You can define your accounts inside the `config/imap.php` file:
 | Error                                                                     | Solution                                                   |
 | ------------------------------------------------------------------------- | ---------------------------------------------------------- |
 | Kerberos error: No credentials cache file found (try running kinit) (...) | Uncomment "DISABLE_AUTHENTICATOR" inside `config/imap.php` | 
+| imap_fetchbody() expects parameter 4 to be long, string given (...)       | Make sure that `imap.options.fetch` is a valid integer     | 
 
 
 ## Change log