syntax error, expect {, actual [, pos 0, fieldName result, fastjson-version 1.2.76

This is an error message that is related to the syntax of JSON data. JSON is a format used for exchanging data between applications and systems, and it is commonly used in web applications.

The error message indicates that there is a syntax error in the JSON data, specifically that there is an unexpected "[" character at position 0 in a field called "result". The error is being reported by the fastjson library version 1.2.76.

To fix this error, you will need to review the JSON data and correct any syntax errors. This could involve checking for missing or extra brackets, commas, or other characters. Once the syntax errors are corrected, the JSON data should be properly formatted and ready for use in your application.