Help!!! can't log in to Admin

I'm getting the following errors when I try to go to the admin log in page:

Warning: session_start(): Cannot send session cookie - headers already sent by (output started at /home/content/f/r/o/frontiermedia/html/expressmetabolics/zencart/admin/includes/configure.php:183) in /home/content/f/r/o/frontiermedia/html/expressmetabolics/zencart/includes/functions/sessions.php on line 108

Warning: session_start(): Cannot send session cache limiter - headers already sent (output started at /home/content/f/r/o/frontiermedia/html/expressmetabolics/zencart/admin/includes/configure.php:183) in /home/content/f/r/o/frontiermedia/html/expressmetabolics/zencart/includes/functions/sessions.php on line 108

Warning: Cannot modify header information - headers already sent by (output started at /home/content/f/r/o/frontiermedia/html/expressmetabolics/zencart/admin/includes/configure.php:183) in /home/content/f/r/o/frontiermedia/html/expressmetabolics/zencart/admin/includes/init_includes/init_templates.php on line 71

Warning: Cannot modify header information - headers already sent by (output started at /home/content/f/r/o/frontiermedia/html/expressmetabolics/zencart/admin/includes/configure.php:183) in /home/content/f/r/o/frontiermedia/html/expressmetabolics/zencart/admin/includes/functions/general.php on line 41

I even tried using my last working back-up and I'm still getting these errors. Please help! I'm supposed to go live tomorrow and I'm stuck!

hi this may help,
check /admin/includes/configure.php

do you have ?> on the last line?
if you have empty lines after it delete them
then try

Mickyelta:

hi this may help,
check /admin/includes/configure.php

do you have ?> on the last line?
if you have empty lines after it delete them
then try

OK there were a few lines at the end but I deleted them and it still gives me the same message.

rleepac:

OK there were a few lines at the end but I deleted them and it still gives me the same message.

Wow! I had to keep going through about 30 different php files and removing blank lines at the end. Finally I'm able to login! How does that happen? Weird!

Thanks for your help...I think I'm up and running again!

which php editor / ftp upload program are you using?
its usually a bad setting that adds a line each time you upload

Mickyelta:

which php editor / ftp upload program are you using?
its usually a bad setting that adds a line each time you upload

I'm using Fetch ftp upload program and BBEdit for php editor.