Admins are unable to see the records in table:
-- They are getting "Number of rows removed from this list by Security constraints: 20" Error when trying to access table or a record
-- After debugging ACL you noticed Admin Override is checked, that means admin should pass that ACL
-- System Property 'glide.security.admin.override.accessterm' is false.
-- This property when set to false means, if there are number of ACLs on the same table/field and admin override is false on one of them, then admin override for all ACL's are considered as false.
1. Search for the system property 'glide.security.admin.override.accessterm' in sys_properties table:
Change value from 'false' to 'true'
2. If the property is not available on the instance you add this property, with details:
Description: When it is set to true, it evaluates the admin overridable condition at access term level.
Here you can read more about this system property: Admin Override Property