A PHP Error was encountered

Severity: Notice

Message: Trying to access array offset on value of type null

Filename: controllers/Repositorio.php

Line Number: 39

Backtrace:

File: /home/agenciaellis/public_html/sistema/ellisead/application/controllers/Repositorio.php
Line: 39
Function: _error_handler

File: /home/agenciaellis/public_html/sistema/ellisead/application/controllers/Repositorio.php
Line: 28
Function: listar

File: /home/agenciaellis/public_html/sistema/ellisead/index.php
Line: 315
Function: require_once