Error after updating

[Gulf Knight]

I have this error after updating my download mod to the new one:

[phpBB Debug] PHP Notice: in file /includes/functions.php on line 4373: Cannot modify header information - headers already sent by (output started at /includes/constants.php:1)
[phpBB Debug] PHP Notice: in file /includes/functions.php on line 4375: Cannot modify header information - headers already sent by (output started at /includes/constants.php:1)
[phpBB Debug] PHP Notice: in file /includes/functions.php on line 4376: Cannot modify header information - headers already sent by (output started at /includes/constants.php:1)
[phpBB Debug] PHP Notice: in file /includes/functions.php on line 4377: Cannot modify header information - headers already sent by (output started at /includes/constants.php:1)

Can you pleas help.

Regards,
GK

[oxpus]

Hello,

maybe you have make an error while modding this file.
Please attache this here (as a zip file) to check this.

[Gulf Knight]

What file do you need form me to zip?

[oxpus]

/includes/functions.php

[Gulf Knight]

I have incloded the file and I am getting this error too?

[phpBB Debug] PHP Notice: in file /includes/session.php on line 1007: Cannot modify header information - headers already sent by (output started at /includes/constants.php:1)
[phpBB Debug] PHP Notice: in file /includes/session.php on line 1007: Cannot modify header information - headers already sent by (output started at /includes/constants.php:1)
[phpBB Debug] PHP Notice: in file /includes/session.php on line 1007: Cannot modify header information - headers already sent by (output started at /includes/constants.php:1)
[phpBB Debug] PHP Notice: in file /includes/session.php on line 1007: Cannot modify header information - headers already sent by (output started at /includes/constants.php:1)
[phpBB Debug] PHP Notice: in file /includes/session.php on line 1007: Cannot modify header information - headers already sent by (output started at /includes/constants.php:1)
[phpBB Debug] PHP Notice: in file /includes/session.php on line 1007: Cannot modify header information - headers already sent by (output started at /includes/constants.php:1)
[phpBB Debug] PHP Notice: in file /includes/functions.php on line 4373: Cannot modify header information - headers already sent by (output started at /includes/constants.php:1)
[phpBB Debug] PHP Notice: in file /includes/functions.php on line 4375: Cannot modify header information - headers already sent by (output started at /includes/constants.php:1)
[phpBB Debug] PHP Notice: in file /includes/functions.php on line 4376: Cannot modify header information - headers already sent by (output started at /includes/constants.php:1)
[phpBB Debug] PHP Notice: in file /includes/functions.php on line 4377: Cannot modify header information - headers already sent by (output started at /includes/constants.php:1)

[oxpus]

Both files are codes as files for DOS!
Please change the codeset to UNIX.
This may can be the error.