New engine - cracked starter bolt boss Options?

In the process of trying to get my new engine going, I was having problems with the starter moving out of alignment. Took a close look at it yesterday, and sure enough there is a crack on the block right where the outer starter bolt goes. No missing chunks like I've seen online, but enough that

Frame slider bolt is broken in the frame.

Cracked bell housing “boss” starter bolt

Cracked bolt housing on transmission - help!

Starter motor mount on block.broke.. - LS1TECH - Camaro and Firebird Forum Discussion

How to Cure a Noisy Chevy Starter

New engine - cracked starter bolt boss Options?

Broken Bosch motor mount bolts!

Starter hole broken on block!!!!!!!!! - Third Generation F-Body Message Boards

So I have a stripped starter bolt on my 98 heritage. Will I be able to remove my inner primary with this bolt messed up? Or am I screwed? : r/Harley

Starter gear boss broke. Looking for advice for what next.

3/8-16 Starter bolt thread repair kit cast iron blocks or aluminum blocks P/n 1535 TIME-SERT TIME-SERT P/n 1535 Kit includes all the tools and 4

TIME-SERT 3/8-16 Starter Bolt Thread Repair kit P/n 1535

Adapter Plate, Starter Plate, Steel, Natural, 1955-1956 Chevrolet, Passenger Car, Kit

Danchuk Starter Engine Plates

Can't mount starter to engine