API getting deployed successfully.. But Getting error Internal server error while invoking the API.

[#1]

When I am invoking the deployed API. Getting below error.

{"fault":{"faultstring":"Internal server error [Ljava.lang.Object;@4392e9a8","detail":{"errorcode":"messaging.adaptors.http.ServerError"}}}

I am struggling for last two days. Can anyone please help me to resolve this issue.

[gnanasekaran]

which org is it? can you share your proxy?