ReflectionException occured while executing the module

0:Method HomeModule::mainus() does not exist

In /var/www/hydrology.gov.np/public_html/new/bull3/framework/application.inc at Line 783

  1. Executing __construct([HomeModule Object, 'mainus']) in /var/www/hydrology.gov.np/public_html/new/bull3/framework/application.inc at line783
  2. Executing exec(['mainus', [], "1"]) in /var/www/hydrology.gov.np/public_html/new/bull3/framework/application.inc at line591
  3. Executing process([BullRequest Object]) in /var/www/hydrology.gov.np/public_html/new/bull3/framework/application.inc at line576
  4. Executing load([BullRequest Object]) in /var/www/hydrology.gov.np/public_html/new/bull3/index.php at line42