Noting that the Pop Up Park’s volunteer organizers had failed to obtain insurance, a sponsor or Special Events permit to operate the makeshift gathering space downtown—conditions laid out last month—members of the Police Commission on Wednesday night withdrew their approval of a necessary street closure for the park. Though the Board of Selectmen this month granted conditional approval for a three-week run, those who operate it came to find that the sponsors they found were “not excited about the new conditions” attached to it, according to Barbara Wilson, a member of the volunteer Pop Up Park committee. “All of our sponsors have withdrawn because they did not feel the items that we had to address and accept were in their best interests,” Wilson told members of the Police Commission at their regular meeting. “So we don’t have any sponsors. Additionally, the sponsor we had that was going to pay for insurance has withdrawn after talking with legal counsel.