SAP Note 28334 - Online dump when copying WBS structure

Symptom:

In the project planning board or the planning according to structure, you can copy existing subhierarchies into WBS structures.
You can do this via Project -> Copy WBS -> WBS element project.
In this case, an online dump can occur in SAPLCXOR or SAPLCXOT.

Cause and prerequisites

Incorrect query during date specification of the WBS elements.

Solution
Change the source code as described below.