Why are Duplicate Objects listed when Adding a Related Object Section in Align?
If an object is related through multiple fields, the object appears multiple times. Each listed object relates to the specific field but that field does not display. It is a Vault limitation that the field does not display.
For example: When adding a Related Object Section on the Account Page, it lists MC Cycle Plan Target twice from the Out of Box fields location_aln and target_aln and for any other custom Object field. The related list only displays results if they are contained in the specific field added to the section.
Align Help Documentation: Using Align