A PHP Error was encountered

Severity: Warning

Message: date_format() expects parameter 1 to be DateTimeInterface, bool given

Filename: absmain/mlLibrary.php

Line Number: 201

Backtrace:

File: /var/www/html/absmain/mlLibrary.php
Line: 201
Function: date_format

File: /var/www/html/vriappcore/views/pilar/web/comuns.php
Line: 73
Function: mlFechaNorm

File: /var/www/html/vriappcore/controllers/pilar/Sustentas.php
Line: 34
Function: view

File: /var/www/html/index.php
Line: 202
Function: require_once