Crumb shot attached
Looks like the dough did not get a long enough proof. What recipe did you use?
Ok.. how to check dough is proofed or not?
Here are some tips on how to assess proofing:
The site is pretty reliable.
Please provide a link to the recipe.
Also, what is the protein content of the flour you used?
All purpose flour + vital wheat gluten
Try the recipe again without the additional vital wheat gluten, and see if that gives you the crumb you want.