Error: Undefined offset: 1

Code: 256 | Severity: 8 | File: /var/www/LitteraReport/src/base/controllers/Search.php | Line: 26

#0 /var/www/LitteraReport/src/base/controllers/Search.php(26): Helium\exception_error_handler(8, 'Undefined offse...', '/var/www/Litter...', 26, Array)
#1 /var/www/LitteraReport/system/core/Main.php(56): Helium\Search->display()
#2 /var/www/LitteraReport/system/core/Pager.php(54): Helium\Main->display()
#3 /var/www/LitteraReport/system/core/Page.php(26): Helium\Pager->build(Array)
#4 /var/www/LitteraReport/system/load.php(195): Helium\Page->build(Array)
#5 /var/www/LitteraReport/html/index.php(12): require_once('/var/www/Litter...')
#6 {main}