A PHP Error was encountered

Severity: Warning

Message: Undefined array key 1

Filename: helpers/sm_helper.php

Line Number: 176

Backtrace:

File: /home/monitoring/public_html/statuspage/protected/application/helpers/sm_helper.php
Line: 176
Function: _error_handler

File: /home/monitoring/public_html/statuspage/protected/application/models/Statuspage_model.php
Line: 780
Function: displayHistoryTooltip

File: /home/monitoring/public_html/statuspage/protected/application/models/Statuspage_model.php
Line: 117
Function: assign_events

File: /home/monitoring/public_html/statuspage/protected/application/controllers/Main.php
Line: 15
Function: get_by_subdomain

File: /home/monitoring/public_html/statuspage/index.php
Line: 315
Function: require_once