Solution : https://service.sap.com/sap/support/notes/907281 (SAP Service marketplace login required)
Key words :
including patch level 21b, including support package 15c, including support package 6 solution, support package 16 including, including support package 6, patch level 22b, internet transaction server, multi-column trees, column trees, left column
Related Notes :
| 919615 | Tree control: Cannot change column width |
| 919120 | Incorrect font color for links in tree controls |
| 918858 | Tree control: Incorrect column widths |
| 918851 | List tree: elements behind checkbox element are not visible |
| 916321 | No space between the items of tree nodes |
| 906255 | Tree is moved down after you open a node |