A PHP Error was encountered

Severity: Warning

Message: mysqli::real_connect(): (HY000/1040): Too many connections

Filename: mysqli/mysqli_driver.php

Line Number: 211

Backtrace:

File: /var/www/html/nada-demo.ihsn.org/public/application/core/MY_Exceptions.php
Line: 185
Function: include

File: /var/www/html/nada-demo.ihsn.org/public/application/core/MY_Controller.php
Line: 28
Function: __construct

File: /var/www/html/nada-demo.ihsn.org/public/application/controllers/Catalog.php
Line: 23
Function: __construct

File: /var/www/html/nada-demo.ihsn.org/public/index.php
Line: 344
Function: require_once

Backtrace

```
_error_handler()
```
Line #211 of /var/www/html/nada-demo.ihsn.org/public/system/database/drivers/mysqli/mysqli_driver.php
```
mysqli->real_connect()
```
Line #402 of /var/www/html/nada-demo.ihsn.org/public/system/database/DB_driver.php
```
CI_DB_mysqli_driver->db_connect()
```
Line #217 of /var/www/html/nada-demo.ihsn.org/public/system/database/DB.php
```
CI_DB_driver->initialize()
```
Line #400 of /var/www/html/nada-demo.ihsn.org/public/system/core/Loader.php
```
DB()
```
Line #1355 of /var/www/html/nada-demo.ihsn.org/public/system/core/Loader.php
```
CI_Loader->database()
```
Line #158 of /var/www/html/nada-demo.ihsn.org/public/system/core/Loader.php
```
CI_Loader->_ci_autoloader()
```
Line #87 of /var/www/html/nada-demo.ihsn.org/public/system/core/Controller.php
```
CI_Loader->initialize()
```
Line #28 of /var/www/html/nada-demo.ihsn.org/public/application/core/MY_Controller.php
```
CI_Controller->__construct()
```
Line #23 of /var/www/html/nada-demo.ihsn.org/public/application/controllers/Catalog.php
```
MY_Controller->__construct()
```
Line #519 of /var/www/html/nada-demo.ihsn.org/public/system/core/CodeIgniter.php
```
Catalog->__construct()
```
Line #344 of /var/www/html/nada-demo.ihsn.org/public/index.php
```
require_once()
```

A PHP Error was encountered

Severity: Warning

Message: Cannot modify header information - headers already sent by (output started at /var/www/html/nada-demo.ihsn.org/public/application/core/MY_Exceptions.php:195)

Filename: core/Common.php

Line Number: 565

Backtrace:

File: /var/www/html/nada-demo.ihsn.org/public/application/core/MY_Exceptions.php
Line: 185
Function: include

Backtrace

```
_error_handler()
```
Line #565 of /var/www/html/nada-demo.ihsn.org/public/system/core/Common.php
```
header()
```
Line #656 of /var/www/html/nada-demo.ihsn.org/public/system/core/Common.php
```
set_status_header()
```
```
_exception_handler()
```

An uncaught Exception was encountered

Type: Error

Message: Call to a member function real_escape_string() on bool

Filename: /var/www/html/nada-demo.ihsn.org/public/system/database/drivers/mysqli/mysqli_driver.php

Line Number: 401

Backtrace:

File: /var/www/html/nada-demo.ihsn.org/public/application/models/Configurations_model.php
Line: 46
Function: where

File: /var/www/html/nada-demo.ihsn.org/public/application/models/Configurations_model.php
Line: 140
Function: check_key_exists

File: /var/www/html/nada-demo.ihsn.org/public/application/libraries/Template.php
Line: 104
Function: add

File: /var/www/html/nada-demo.ihsn.org/public/application/core/MY_Controller.php
Line: 28
Function: __construct

File: /var/www/html/nada-demo.ihsn.org/public/application/controllers/Catalog.php
Line: 23
Function: __construct

File: /var/www/html/nada-demo.ihsn.org/public/index.php
Line: 344
Function: require_once