Wrong blocks being opened

Sometimes when i bring in a set of blocks from my library, it brings in something totally different than what i have selected. I also tried opening the blocks in a new document, it opens the correct block, but when i try to copy and paste the “washing machine” to my working document it pastes a random item like an oven i have used earlier…? any ideas whats going on?

Make sure when you copy it in the layer its on is visible. Ex if its on the furniture layer make sure the furniture layer is on