modern acc Modern Aac Shop Erro

[lkrazy 0]

Pessoal, já vi muito Modern Aac com shop funcional 100%, mas o Meu eu não consigo colocar itens no shop,

Já tentaram me ajudar mais n deu certo..

Quando clico na aba "Shop" Aparece esse erro:

Spoiler

A PHP Error was encountered

Severity: Notice

Message: Undefined index: database

Filename: config/functions.php

Line Number: 12

A PHP Error was encountered

Severity: Notice

Message: Undefined index: database

Filename: config/functions.php

Line Number: 12

A PHP Error was encountered

Severity: Notice

Message: Undefined index: database

Filename: config/functions.php

Line Number: 12

A PHP Error was encountered

Severity: 8192

Message: mysql_connect(): The mysql extension is deprecated and will be removed in the future: use mysqli or PDO instead

Filename: config/functions.php

Line Number: 12

A PHP Error was encountered

Severity: Notice

Message: Undefined index: database

Filename: config/functions.php

Line Number: 13

A PHP Error was encountered

Severity: Notice

Message: Undefined index: database

Filename: config/functions.php

Line Number: 12

A PHP Error was encountered

Severity: Notice

Message: Undefined index: database

Filename: config/functions.php

Line Number: 12

A PHP Error was encountered

Severity: Notice

Message: Undefined index: database

Filename: config/functions.php

Line Number: 12

A PHP Error was encountered

Severity: 8192

Message: mysql_connect(): The mysql extension is deprecated and will be removed in the future: use mysqli or PDO instead

Filename: config/functions.php

Line Number: 12

A PHP Error was encountered

Severity: Notice

Message: Undefined index: database

Filename: config/functions.php

Line Number: 13

A PHP Error was encountered

Severity: Notice

Message: Undefined index: database

Filename: config/functions.php

Line Number: 12

A PHP Error was encountered

Severity: Notice

Message: Undefined index: database

Filename: config/functions.php

Line Number: 12

A PHP Error was encountered

Severity: Notice

Message: Undefined index: database

Filename: config/functions.php

Line Number: 12

A PHP Error was encountered

Severity: 8192

Message: mysql_connect(): The mysql extension is deprecated and will be removed in the future: use mysqli or PDO instead

Filename: config/functions.php

Line Number: 12

A PHP Error was encountered

Severity: Notice

Message: Undefined index: database

Filename: config/functions.php

Line Number: 13

 Alguem poderia me ajudar ? Já tentei mysqli e não da certo. Obrigado