The purpose of this page to collect contents related to catalog item validation.
The Shopping Cart item has to be validated based on actual content in Catalog from where the item origins.
The validation is done within Function Module /SAPSRM/PDO_CATALOG_VALIDATE.
SAP Knowledge Base Articles in this topic:
1946962 - Validation in SRM
1781107 - Cannot add items from old SC and templates with third party catalog items