Hi Jilly,
I’m able to see the pictures. Thank you.
Unfortunately, I don’t have good news for you. I don’t know of a way you can fill in the cracks you see around the toad. Likely what has happened is that the crack has allowed air to escape into and around the toad. There isn’t a way for you to get resin up the ‘air tracks’ and next to the toad. You could try some five minute epoxy to go around the areas on the outside to repair those defects if that would help.