CDSSG14300 - CDS Declaration Error Messages: Description of the Error

This gives a basic description of what the error is, this part of the generated error message will give an initial idea as to what is wrong and why the declaration has been rejected.

Example:-

Message text	Explanation
Missing document	In this instance a document that is required has not been declared.\n \nhttps://www.gov.uk/government/publications/customs-declaration-service-error-codes will provide more information.