.modal-dialog .modal-header button(type='button', data-dismiss="modal", aria-hidden="true").close × h3(data-i18n="play_level.infinite_loop_title") Infinite Loop Detected .modal-body p(data-i18n="play_level.infinite_loop_explanation") The initial code to build the world never finished running. It's probably either really slow or has an infinite loop. Or there might be a bug. You can either try running this code again or reset the code to the default state. If that doesn't fix it, please let us know. .modal-footer a(href='#', data-dismiss="modal", aria-hidden="true", data-i18n="play_level.infinite_loop_wait").btn#restart-level-infinite-loop-retry-button Try Again a(href='#', data-dismiss="modal", aria-hidden="true", data-i18n="play_level.infinite_loop_reload").btn.btn-primary#restart-level-infinite-loop-confirm-button Reset Level