Unable to upload csv file

Just having some issues after uploading a csv file

Warning: fclose() expects parameter 1 to be resource, boolean given in //public/wp-content/plugins/import-users-from-csv-with-meta/import-users-from-csv-with-meta.php on line 125

Fatal error: Uncaught RuntimeException: SplFileObject::__construct(//public/wp-content/uploads/2016/08/test_wp_import.csv): failed to open stream: No such file or directory in //public/wp-content/plugins/import-users-from-csv-with-meta/importer.php:67 Stack trace: #0 //public/wp-content/plugins/import-users-from-csv-with-meta/importer.php(67): SplFileObject->__construct(‘/srv/users/serv…’) #1 //public/wp-content/plugins/import-users-from-csv-with-meta/import-users-from-csv-with-meta.php(305): acui_import_users(‘/srv/users/serv…’, Array, 1390, false) #2 //public/wp-content/plugins/import-users-from-csv-with-meta/importer.php(444): acui_fileupload_process(Array, false) #3 //public/wp-includes/plugin.php(525): acui_options(”) #4 // in //public/wp-content/plugins/import-users-from-csv-with-meta/importer.php on line 67

https://wordpress.org/plugins/import-users-from-csv-with-meta/