The Object Manager in LEX takes a lot of time to load when the org has many custom objects.
Performance , Platform , Custom Objects
Last updated 2017-04-14 ·Reference W-3085818 ·Reported By 12 users
Summary
In organizations that have a huge amount of objects, due for example to packages that have been installed, the Object Manager in LEX will take more than usual to load all the objects available.
Repro
1. Switch to LEX in the organization.
2. Go to "Setup Home"
3. Click on "Objects and Fields"
4. Click on "Object Manager"
5. The page will keep loading and it will take a while to display the objects.
Workaround
Switch to the classic interface for any modification in the Objects.
Is it Fixed?
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