any idea how to fix this?

[lethal coral]

Care to explain what we are looking at?

[hazy idol]

like the dryness of the wood

I think it got wet so idk what I should do

[latent condor]

It looks punky. Options are replace it, cut around the bad spots and use what’s still good, or, depending on your use cases, fill it with a wood stabilizer (which is basically a resin/plastic).