When doing a Scopus journal paper submission many researchers make common mistakes that can lead to rejection. One of the biggest mistakes is not reading the journal's guidelines properly. Each Scopus journal has its own rules for formatting, referencing, and writing style. Another mistake is submitting a paper that is not original or has been published elsewhere. Grammar and spelling errors also leave a bad impression. Authors sometimes forget to check if their topic fits the journal’s scope. Submitting without proper citations or plagiarizing content can lead to serious issues. Many also fail to revise the paper based on feedback from colleagues or mentors before submission. Finally, missing required documents, like cover letters or ethical approvals, can delay or block the process. To succeed, always double-check your paper, follow all instructions, and ensure your work is clear, complete, and ethical before submitting to a Scopus journal.