[OJS 3.1.2.1] Submit and article (2. Upload submission) Error

Hi, I would like to submit and article. When the wizard go to step number 2. Upload Submission, and after choose a file to upload, and after click on Save and Continue, this error occurred.

ojs%20error

Hi @ruhaizat,

Thank you for your question. Are you experiencing any additional errors on the site? As well, have there been any changes or updates to the journal?

Kind Regards,
Patricia M.
Public Knowledge Project Intern