file_put_contents(): Only 0 of 39 bytes written, possibly out of free disk space

Call Stack

1. in File.php line 159
2. at Error::appError(2, 'file_put_contents():...', '/www/wwwroot/cloudco...', 159, ['name' => 'baidu', 'value' => '', 'expire' => 10, ...])
3. at file_put_contents('/www/wwwroot/cloudco...', '<?php //000000000010...') in File.php line 159
4. at File->set('baidu', '', 10) in Cache.php line 148
5. at Cache::set('baidu', '') in Base.php line 104
6. at Base->_initialize() in Mulitcourse.php line 20
7. at Mulitcourse->_initialize() in Controller.php line 59
8. at Controller->__construct(object(Request))
9. at ReflectionClass->newInstanceArgs([object(Request)]) in App.php line 360
10. at App::invokeClass('app\index\controller...') in Loader.php line 478
11. at Loader::controller('mulitcourse', 'controller', false, 'Error') in App.php line 574
12. at App::module(['index', 'mulitcourse', 'detail'], ['app_host' => '', 'app_debug' => true, 'app_trace' => false, ...], false) in App.php line 457
13. at App::exec(['type' => 'module', 'module' => ['index', 'mulitcourse', 'detail'], 'convert' => false], ['app_host' => '', 'app_debug' => true, 'app_trace' => false, ...]) in App.php line 140
14. at App::run() in start.php line 19
15. at require('/www/wwwroot/cloudco...') in index.php line 18
16. at include_once('/www/wwwroot/cloudco...') in index.php line 49