Debug info:
Error code: Unable to read file
$a contents:
Stack trace: - line 222 of /local/s3fs/classes/file_system.php: moodle_exception thrown
- line 839 of /local/s3fs/classes/file_system.php: call to local_s3fs\file_system->is_file_readable_remotely_in_trashdir()
- line 821 of /local/s3fs/classes/file_system.php: call to local_s3fs\file_system->recover_file_by_contenthash()
- line 144 of /local/s3fs/classes/file_system.php: call to local_s3fs\file_system->recover_file()
- line 370 of /lib/filestorage/file_system.php: call to local_s3fs\file_system->get_local_path_from_storedfile()
- line 583 of /lib/filestorage/stored_file.php: call to file_system->get_imageinfo()
- line 598 of /lib/filestorage/stored_file.php: call to stored_file->get_imageinfo()
- line 1287 of /course/renderer.php: call to stored_file->is_valid_image()
- line 1362 of /course/renderer.php: call to core_course_renderer->course_overview_files()
- line 1226 of /course/renderer.php: call to core_course_renderer->coursecat_coursebox_content()
- line 89 of /course/renderer.php: call to core_course_renderer->coursecat_coursebox()
- line 72 of /course/info.php: call to core_course_renderer->course_info_box()