Bug: Logos 4 Indexer Crash

Indexer crashes on start up each time Logos 4 is started.
ERROR Report shows following:
Event Type: clr20r3 P1: logos4indexer.exe P2: 4.21.5.932
P3: 4d891636 P4: libronix.searchengine P5: 4.21.5.932
P6: 4d8915c9 P7: 7f P8: 0 P9: system.indexoutofrangeexception
Software version: 4.2a SR-3.
Reported by Devon Block.
Forum link: http://community.logos.com/forums/
Status: invalid If indexer crash has not been resolved, please provide logs or contact Customer Support.