Solution : https://service.sap.com/sap/support/notes/918851 (SAP Service marketplace login required)
Key words :
including support package 6 solution install, including support package 16c, including patch level 21b, internet transaction server, 20 patch level xxx, advance correction contained, support package 16, support package, patch level, list trees
Related Notes :
| 907281 | Tree control: Fixed and scrollable columns |