!--a11y-->
Editing a Posting Lock 
· You are on the Posting Lock tab page in one of the following functions:
¡ Create PLM Document for an Account
· The document status allows you to edit the PLM document.
· The Business Workplace indicator is not set.
· The Fixed Lock Amount indicator is not set in the Customizing for Account Management under Posting Lock Management ® Basic Settings ® Define Event Type.

If the Fixed Lock Amount indicator is set, you cannot change the upper and lower lock amounts. The system only displays these amounts.
...
1. If required, change the upper and lower lock amounts.
2. Save your entries or change to another tab page.