Error 1041

Error 1041: Invalid request rewrite (invalid header value)

This error indicates that the header value is not valid.

Common causes

The added/modified header value is too long or it contains characters that are not allowed.

Resolution

• Use a shorter value or expression to define the header value.
• Remove the characters that are not allowed. Refet to Format of HTTP request header names and values in Developer Docs for more information on the allowed characters.