Install libn32gcc1-mips64el-cross by entering the following commands in the terminal:
sudo apt update sudo apt install libn32gcc1-mips64el-cross
GCC support library (n32)
Shared version of the support library, a library of internal subroutines that GCC uses to overcome shortcomings of particular machines, or special needs for some languages. . This package contains files for mips64el architecture, for use in cross-compile environment.