Magento Admin Error Troubleshooting

Job ID: 39324838

Budget: ₹600 – ₹1,500 INR

I'm encountering an issue in Magento admin when trying to add a simple product. The error message reads: "There has been an error processing your request. Exception printing is disabled by default for security reasons. Error log record number: 399620269995".

Key Details:
- Product Type: Simple Product
- Extensions: Using several custom extensions

I would require an expert in Magento who can help troubleshoot this issue. Ideally, you should have a deep understanding of Magento's architecture and experience with custom extensions. If possible, I would appreciate a review and assessment of the custom extensions currently in use.
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