A PHP Error was encountered

Severity: Notice

Message: Undefined index: enter

Filename: controllers/share.php

Line Number: 5

Backtrace:

File: /home2/veganmap/web/controllers/share.php
Line: 5
Function: _error_handler

File: /home2/veganmap/web/controllers/Restaurant_list.php
Line: 34
Function: include_once

File: /home2/veganmap/index.php
Line: 318
Function: require_once