fopen() failed: diff/E38286E381A3E3818FE3828AE38184E38198E38281E7B3BB3236383920E38389E382ADE383A5E383A1E383B3E382BFE383AAE383BCE38286E381A3E3818FE3828AEFBD9EE5B1B1E8B0B7E38292E9A786E38191E5B7A1E3828BE8AC8EE381AEE7949FE789A9E381AEE6ADA3E4BD93E381A8E381AFEFBC81EFBC9FEFBC88E5898DE7B7A8EFBC89.txt
Maybe permission is not writable or filename is too long