V3.9.68 Index..cpp 5809 %21%21top%21%21

A fatal error, assertion, or critical log marker (%21%21TOP%21%21 = !!TOP!!) was triggered in index..cpp at line 5809 during execution of version v3.9.68. The marker suggests a top-level failure, possibly a segmentation fault, unhandled exception, or logic assertion.

index..cpp is odd — double dot might be a typo in the log formatter, or a relic of a path like ../index.cpp.
Line 5809 in a single file is huge. Either the file is auto-generated, or we’re in a massive monolithic codebase. v3.9.68 index..cpp 5809 %21%21TOP%21%21

The headliner for this build is the complete restructuring of index.cpp. As the primary indexing handler for the engine, this file has historically been the bottleneck for large-scale data operations. A fatal error, assertion, or critical log marker

In Build 5809, we have: