To check rejected submissions, go to Filing > Check E-filing > For all companies (Unless you have already selected a company, in which case you can just select that company)
Click on the magnifying glass icon for more detail on the failed submissions:
NOTE: These rejection messages are not software generated but come from Companies House, we can try and help you solve them. However, in some cases it may be best to contact Companies House directly on 03031234500, they are very responsive, and will tell you why it's rejected straight away. If there is a problem with a particular field, scroll down and it will highlight in red the line Companies House have a problem with. The content of this document is furnished for informational use only, is subject to change without notice, and should not be construed