Why are errors displayed?

Hi! @session_start(); //This causes the web-browser NOT to show error @$_SESSION["test"] = "test"; //I THOUGHT this would the web-browser NOT show error, but I get this error: Warning: Unknown: open(C:\Program\php\sessiondata\sess_g4otsdj34b8npshe7dl5n6trv1, O_RDWR) failed: Permission denied (13) in Unknown on line 0 Warning: Unknown: Failed to write session data (files). Please verify that the current setting of session.save_path is correct (C:\Program\php\sessiondata) in Unknown on line 0 Is there any way of solving this problem? Or do I have to set full rights in the session-data-folder independet which user is logged in on the web... (it is NOT reachable anonymously) - you have to log on to the network. It's an intranet Best regards /Gustav Wiberg No virus found in this outgoing message. Checked by AVG Free Edition. Version: 7.5.485 / Virus Database: 269.13.8/993 - Release Date: 2007-09-06 15:18