Hello,
I am having the same issue and running 1.0.3 of the bulk upload plugin. About two weeks ago I was able to import them fine and now I try to upload any file, even the example csv file, and receive:
Invalid file. Use the below for debugging and when asking for support.
File: Array ( [name] => test.csv [type] => text/csv [tmp_name] => /tmp/php0fP6v0 [error] => 0 [size] => 37 )
Any ideas?
Thanks!