I glued up a couple pieces of poplar to make raised panels.
I routed in the raised panels and ended up with these weird voids on the raised panel where the two pieces of poplar were glued up. The voids were on both the top and the bottom of both panels I cut. Two of the voids are in a triangular shape, and the other two look like a dovetail shape.
I can not for the life of me figure out what causes this.