you need to add your extSD name in the linked_root_list path...
can you find with default file manager or with total commander...
see an example from mine sys.... my extsd --> "/storage/8372-1711"
[folders]
data_folder_name="iGO_World"
linked_root_list="/storage/emulated/0 /storage/8372-1711"
Spoiler: view
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