Issue ID: 3021113
Summary: When navigating to Index > Diagnostics > Index Diagnostics (see 7.0 to 7.2 Admin Console mapping for prior page location) or Index > Diagnostics > Content Statistics on the replica, a page saying "Error" is displayed.
Workaround: The primary node is the only node that contains valid crawl diagnostics and content statistics. As a reference the following link documents which tasks can be undertaken on a replica node:
Versions affected: 6.2, 6.4, 6.4, 6.10, 6.12, 6.14, 7.0, 7.2, 7.4