"Duplicate entry '0' for key PRIMARY" usually means your database lost AUTO_INCREMENT

Installing a plugin fails with: Duplicate entry '0' for key 'PRIMARY' The obvious reading is that the plugin tried to insert a row with id 0. The actual reading is usually the opposite: the plugin inserted a row without naming the id column, relied on AUTO_INCREMENT to supply one, and got 0 because the column no longer has AUTO_INCREMENT on it.... Weiterlesen