SAP OSS Note 2079680 version 0003 contains details of a know issue related to POWL: Changes not registered and thereby nothing to save . This includes any associated symptoms and instructions on how to fix it, see below for full details. Also check out the comments section to view/add related contributions, questions or screen shots, based on real life experience of this oss note and problem.
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Changes done to the editable fields in POWL are not registered, in other
words the change log is empty or dirty flag is not set and th
ereby on SAVE nothing happens
Cause of the problem and Pre-requisites
If two POWL types have the same feeder class, static attributes,
field-catalog a new ALV node is not generated, this information was m
issed out while maintaining the node information in POWL buffer and
hence changes were lost. Program error.
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Description of problem
POWL, SAVE, change log, dirty, changes lost