There were many reasons why the bookshelf of a free full-length novel could fail to store its contents. 1. Network instability or failure: If there is a problem with the network connection or the server fails, it may cause the buffer to fail. 2. The bookshelf server load is too high: If there are too many novels on the bookshelf or a large number of readers online at the same time, the server load may be too high, which may cause the server to fail. 3. Bookshelf system update or maintenance: The bookshelf system may be updated or maintained regularly, which may cause the buffer to fail. To solve this problem, you can try the following methods: 1 Check if the network connection is stable and try to connect again. 2. Close all other applications in use to ensure that the bookshelf server has enough load. 3. Wait for the bookshelf system maintenance or update to complete before reopening the bookshelf. 4 If the above methods still do not work, you can try to use other novel platforms or browser to read the novel. I hope these methods can help you solve the problem of the free full-length novel bookshelf failure.