Bug: 4.0a SR-2 unnecessarily performs a full re-index

Installed SR-2 + recent RI downloads on top of a fully functional 4.0 SR-7 installation and it performed a full re-index because “existing index seems to have been corrupted”.

Software version: 4.0a SR-2.
Reported by Dave Hooton.
Forum link: https://logos.vanillacommunities.com/forums/p/8660/70157.aspx#70157
Status: invalid not reproducible