Fix an Error in php, in exchange for a vouch

[HACKEDBYZCLAU]

can someone help me with a small error in php of a script.

Please, if someone helps me, I dare to give him a reputation.

The error is as follows, as you can see in the image, the purchase button does not appear.

Only "" Starting ... "appears

If someone wants to help me, please send a private message

 

[polarline]

Is this custom coded or an API-style payment processer?

 

[Mooselk]

We need more info than just that.

 

[Hannes]

A code snippet would be helpful.

 

[HACKEDBYZCLAU]

A code snippet would be helpful.

We need more info than just that.

CODE :