uploaded csv

I am getting an error for my csv is the issue because of a specific email?

  • Your form has a few errors, please fix them and try again!
  • The file "anrentaaren.csv" cannot be uploaded. Only files of these MIME-types are allowed: text/comma-separated-values, text/csv, application/csv, application/excel, application/vnd.ms-excel, application/vnd.msexcel, text/anytext, text/plain.