What is the meaning of Hebrews 12:15?

* The two F.O.G. Bibles & Commentary below are currently a work in progress.

See to it that no one falls short of the grace of God, and that no root of bitterness springs up to cause trouble and defile many.

Berean Standard Bible (BSB)

looking carefully lest there be any man who falls short of the grace of God; lest any root of bitterness springing up trouble you, and many be defiled by it;

World English Bible (WEB)

Looking diligently{G1983}{(G5723)} lest{G3361} any man{G5100} fail{G5302}{(G5723)} of{G575} the grace{G5485} of God{G2316}; lest{G3361} any{G5100} root{G4491} of bitterness{G4088} springing{G5453}{(G5723)} up{G507} trouble{G1776}{(G5725)} you, and{G2532} thereby{G1223}{G5026} many{G4183} be defiled{G3392}{(G5686)};

Strong's King James

(15) See to it that nobody comes short of the favourable grace of יהוה YAHWEH, no root of bitterness growing up, causing trouble and through it many be stained.

The F.O.G*

[15] Watch carefully that no one misses out on God's grace. Guard against any bitter root sprouting up to cause trouble and contaminate many.

The F.O.G Paraphrase

looking diligently over lest any one be failing of the grace of God, lest any root of bitterness springing up may give trouble, and through this many may be defiled;

Young's Literal Translation