I've been sent screen shots of the following errors on our home page. Apparently closing the browser window and opening a new one resolved the issue, and we've had no other reports, but just interested in possible causes to prevent it occuring again.
PHP Warning
File: [SYSTEM ROOT]/core/include/mysource.inc
Message: session_start(): The session id contains invalid characters
PHP Warning
File: [SYSTEM ROOT]/core/include/mysource.inc
Message: session_start(): Cannot send session cache limiter - headers already sent (output started at [SYSTEM ROOT]/core/include/general.inc:174
PHP Warning
File: [SYSTEM ROOT]/core/assets/site/site.inc
Message: Cannot modify header information - headers already sent by (output started at [SYSTEM ROOT]/core/include/general.inc:174
And then further down the page…
PHP Warning
File: Unknown
Message: Unknown(): The session id contains invalid characters
PHP Warning
File: Unknown
Message: Unknown(): Failed to write sessioni data (files). Please verify that the current setting of session.save_path is correct(/mnt/apps/mysource_matrix/cache)
Sarah