interface conversion: interface {} is nil, not []interface {}
C:/Program Files/Go/src/runtime/iface.go:262 (0xd7ad09)
        panicdottypeE: panic(&TypeAssertionError{iface, have, want, ""})
C:/Users/FoundKT/Desktop/Toss-AutoCharge-main/main.go:106 (0x110af17)
        main.func1: for _, v := range data["success"].(map[string]interface{})["data"].([]interface{}) {
C:/Users/FoundKT/go/pkg/mod/github.com/gin-gonic/gin@v1.8.1/context.go:173 (0x1103de1)
        (*Context).Next: c.handlers[c.index](c)
C:/Users/FoundKT/go/pkg/mod/github.com/gin-gonic/gin@v1.8.1/recovery.go:101 (0x1103dcc)
        CustomRecoveryWithWriter.func1: c.Next()
C:/Users/FoundKT/go/pkg/mod/github.com/gin-gonic/gin@v1.8.1/context.go:173 (0x1102f06)
        (*Context).Next: c.handlers[c.index](c)
C:/Users/FoundKT/go/pkg/mod/github.com/gin-gonic/gin@v1.8.1/logger.go:240 (0x1102ee9)
        LoggerWithConfig.func1: c.Next()
C:/Users/FoundKT/go/pkg/mod/github.com/gin-gonic/gin@v1.8.1/context.go:173 (0x110200a)
        (*Context).Next: c.handlers[c.index](c)
C:/Users/FoundKT/go/pkg/mod/github.com/gin-gonic/gin@v1.8.1/gin.go:616 (0x1101c91)
        (*Engine).handleHTTPRequest: c.Next()
C:/Users/FoundKT/go/pkg/mod/github.com/gin-gonic/gin@v1.8.1/gin.go:572 (0x110193c)
        (*Engine).ServeHTTP: engine.handleHTTPRequest(c)
C:/Program Files/Go/src/net/http/server.go:2936 (0xfddc95)
        serverHandler.ServeHTTP: handler.ServeHTTP(rw, req)
C:/Program Files/Go/src/net/http/server.go:1995 (0xfda5b1)
        (*conn).serve: serverHandler{c.server}.ServeHTTP(w, w.req)
C:/Program Files/Go/src/runtime/asm_amd64.s:1598 (0xdd6cc0)
        goexit: BYTE    $0x90   // NOP
[0m
[GIN] 2023/06/26 - 03:56:56 |[97;41m 500 [0m|    187.7305ms |       127.0.0.1 |[97;46m POST    [0m "/check"