payment gateway error comes when upgrade fix issue in php

Job ID: 36583551

Budget: ₹100 – ₹400 INR

I am looking for a skilled PHP developer to fix an issue with my payment gateway. Currently, I use the Worldline payment gateway, but I am experiencing an error 500 when trying to process payments. I am not sure if recent changes to the code or settings related to the payment gateway are causing this issue. Therefore, I need someone who can investigate and identify the root cause of the problem.

Ideal Skills and Experience:
- Proficient in PHP
- Experienced in payment gateway integration
- Knowledgeable about Worldline payment gateway
- Familiar with troubleshooting errors
- Excellent problem-solving skills
- Attention to detail and ability to work efficiently under pressure

If you possess the above skills and experience, I would like to hear from you. Please provide a proposal outlining your approach to solving this issue and your estimated timeline for completion.
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