Admin cannot associate a Collection to a Library and thus Users are not able to find them in the Library search.
SAP SuccessFactors Learning
There is no option to associate a Library to a Collection inside of Collection record.
For associating a Library to a Collection, the Admin has to add it directly in the Library record.
Go to the desired Library
Select the Collections tab
Press the "+" symbol to add the Collection
Search for the Collection
Check the Add checkbox next to it
Press the Add button
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