OSS(Online Service System) notes are a part of an online SAP service portal that gives up-to-date information about SAP notes. It is the Knowledge Base of SAP that will address the known issues specifically in the SAP system. It frequently releases patches, new program developments, bug fixes, and other various updates by SAP. This will provide a list of correction notes for SAP objects.
OSS Notes will be continuously updated as customers report issues in the SAP system and SAP will release a note that includes detailed instructions about fixing or addressing the issue. Most of the issues get addressed or fixed when the next version of the same component gets released by SAP and hence it is very important to see note applicability related to the version where an issue is being addressed. Each note will be applied to a version and almost all its predecessor versions. Before you start with your work, it is necessary to check for the presence of a particular in your SAP system.
