Notice: Undefined variable: usable_array funktsioonis hitsa_alumnus_content() (rida 195 / /srv/kooliveeb/sites/all/modules/hitsa/hitsa/hitsa_alumnus/hitsa_alumnus.module).

Warning: Invalid argument supplied for foreach() funktsioonis hitsa_alumnus_content() (rida 195 / /srv/kooliveeb/sites/all/modules/hitsa/hitsa/hitsa_alumnus/hitsa_alumnus.module).

Warning: usort() expects parameter 1 to be array, null given funktsioonis hitsa_alumnus_content() (rida 205 / /srv/kooliveeb/sites/all/modules/hitsa/hitsa/hitsa_alumnus/hitsa_alumnus.module).