A PHP Error was encountered

Severity: Notice

Message: Undefined variable: formatstr

Filename: libraries/Spreadsheet_Excel_Reader.php

Line Number: 638

Backtrace:

File: /var/www/vhosts/opendata.sumedangkab.go.id/httpdocs/application/libraries/Spreadsheet_Excel_Reader.php
Line: 638
Function: _error_handler

File: /var/www/vhosts/opendata.sumedangkab.go.id/httpdocs/application/libraries/Spreadsheet_Excel_Reader.php
Line: 428
Function: _parse

File: /var/www/vhosts/opendata.sumedangkab.go.id/httpdocs/application/controllers/Dashboard.php
Line: 36
Function: read

File: /var/www/vhosts/opendata.sumedangkab.go.id/httpdocs/index.php
Line: 315
Function: require_once