Error message

Deprecated function: substr(): Passing null to parameter #1 ($string) of type string is deprecated in ucsf_b1gfoot_global_watchdog() (line 56 of /mnt/www/html/ucsfsitebuilder01live/docroot/profiles/ucsf_b1gfoot/modules/b1gfoot/ucsf_b1gfoot_global/ucsf_b1gfoot_global.module).