Unmapping system tables
Unmapping a system table can cause features and existing campaigns to stop working. If you must unmap a system table, unmap it only when no users are using Campaign.
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1.
Select Settings > Campaign Settings.
2.
Click Manage Table Mappings.
3.
4.
Select a table in the IBM® Campaign System Table list, then click Unmap Table.
You are prompted to confirm the unmapping.
You must immediately remap the system table or be sure that it does not need to be mapped in your environment.
To unmap the segment membership table