Hello world!

Fatal error: Uncaught Error: Call to undefined function author_to_shopname() in /home/azearth/az-earth.com/public_html/shugetsu.az-earth.com/wp-content/themes/shugetsu/functions/functions-lib.php:1694 Stack trace: #0 /home/azearth/az-earth.com/public_html/shugetsu.az-earth.com/wp-content/themes/shugetsu/tmp/tmp-breadcrumb.php(2): breadcrumb() #1 /home/azearth/az-earth.com/public_html/shugetsu.az-earth.com/wp-includes/template.php(812): require('/home/azearth/a...') #2 /home/azearth/az-earth.com/public_html/shugetsu.az-earth.com/wp-includes/template.php(745): load_template('/home/azearth/a...', false, Array) #3 /home/azearth/az-earth.com/public_html/shugetsu.az-earth.com/wp-includes/general-template.php(206): locate_template(Array, true, false, Array) #4 /home/azearth/az-earth.com/public_html/shugetsu.az-earth.com/wp-content/themes/shugetsu/tmp/tmp-archive.php(12): get_template_part('tmp/tmp-breadcr...') #5 /home/azearth/az-earth.com/public_html/shugetsu.az-earth.com/wp-includes/template.php(812): require('/home/azearth/a. in /home/azearth/az-earth.com/public_html/shugetsu.az-earth.com/wp-content/themes/shugetsu/functions/functions-lib.php on line 1694