MultiSite Module Support Thread

[Design75]

Trying to activate CJ Loader (css/js minimizer) with Multisite and the combined css file gives the following errors:

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Warning: include_once(includes/config_sites/sites_switch.php) [function.include-once]: failed to open stream: No such file or directory in /home/myusername/public_html/mydomain.com/includes/configure.php on line 13

Warning: include_once() [function.include]: Failed opening 'includes/config_sites/sites_switch.php' for inclusion (include_path='.:/usr/lib/php:/usr/local/lib/php') in /home/myusername/public_html/mydomain.com/includes/configure.php on line 13

Warning: ini_set() [ref.outcontrol]: Cannot change zlib.output_compression - headers already sent in /home/myusername/public_html/mydomain.com/min/config.php on line 161

Warning: Cannot modify header information - headers already sent by (output started at /home/myusername/public_html/mydomain.com/includes/configure.php:13) in /home/myusername/public_html/mydomain.com/min/index.php on line 61
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I think these point to the

include_once('includes/config_sites/sites_switch.php'); which is on line 13 of my configure.php

Rather oddly, the minimizer seems to work on my local server copy without a problem (I'll compare all local files to the live files in case that highlights something).

Anyone have any ideas?

Have you already checked, if the file is indeed in place?