Provide the materials code in the drop-down list below.
Provide a short description of issue in Subject field
Provide detailed information such as page number, exercise number (and step number) or file name where you believe a mistake or omission has been made, together with a description of what you believe is wrong or missing.
If you have a list of errors in an Excel workbook or a Word document, they can be atatched to this message.
Note that a list of corrections already identified is included in the Corrigenda section of the knowledgebase, (links for which are shown on the front page of the support portal).
