# Debugging & Testing #### Modal windows doesn't open or opens in a loop Check the correct installation in the previous step & check if you have added files from the files.zip archive. You can manually check by following the direct path link yourdomain.com/scripts/bip39.js #### Error when selecting wallet in modal Most likely you have inserted the script in the wrong place, for example in `` or you have installed the draining class on all existing objects by setting the class incorrectly. And check to see if you have installed the script more than once. \