In reply to Vanshlata_cdac:
[i]
contents of eth_env.sv
package eth_env_pkg;
`include “eth_pkt_pkg.sv”
It seems that you have declared the package at the first line and included the package file at the second line of the eth_env.sv file.
In SV, package inside a package is not allowed.
P.S.: Please use a proper code format while inserting a code in this forum. It would make a code readable.