Pagespeed modul jogosultság hibák a logban mitől?

[Sun May 25 07:37:21 2014] [error] [mod_pagespeed 1.7.30.4-3847 @20310]

hiba 1: Failed to make directory /var/cache/mod_pagespeed/prop_page: Permission denied

hiba2: /var/cache/mod_pagespeed/prop_page/http.... opening temp file: No such file or directory

[Sun May 25 07:37:21 2014] [error] [mod_pagespeed 1.7.30.4-3847 @20310] /var/log/pagespeed/stats_log_global:0: opening output file: Permission denied

hiba 3: Could not create directories for file /var/cache/mod_pagespeed/prop_page/

hiba 4: /var/log/pagespeed/stats_log_global:0: opening output file: Permission denied

hiba 5: Error opening statistics log file /var/log/pagespeed/stats_log_global.

Legfrissebb stbail pagespeed 1.7.30.4

Apache 2.2.22

Miért szórja tele az error.log-ot ilyenekkel?