esp-idf-v4.0.1 compile error in example "onoff_client"

[raymond]

I used idf.py fullclean, then used idf.py build in examples\bluetooth\esp_ble_mesh\ble_mesh_node\onoff_client, a compile error come out,
I didn't modify source code. How to resolve it? Thanks.
__idf_libsodium.dir/libsodium/src/libsodium/crypto_box/curve25519xchacha20poly13
05/box_curve25519xchacha20poly1305.c.obj -MF esp-idf\libsodium\CMakeFiles\__idf_
libsodium.dir\libsodium\src\libsodium\crypto_box\curve25519xchacha20poly1305\box
_curve25519xchacha20poly1305.c.obj.d -o esp-idf/libsodium/CMakeFiles/__idf_libso
dium.dir/libsodium/src/libsodium/crypto_box/curve25519xchacha20poly1305/box_curv
e25519xchacha20poly1305.c.obj -c D:/code/esp-idf-v4.0.1/components/libsodium/l
ibsodium/src/libsodium/crypto_box/curve25519xchacha20poly1305/box_curve25519xcha
cha20poly1305.c
ccache: error: Failed to create temporary file for esp-idf\libsodium\CMakeFiles\
__idf_libsodium.dir\libsodium\src\libsodium\crypto_box\curve25519xchacha20poly13
05\box_curve25519xchacha20poly1305.c.obj.d: No such file or directory
[10/149] cmd.exe /C "cd /D D:\code\esp...*************************************"
Partition table binary generated. Contents:
*******************************************************************************
# Espressif ESP32 Partition Table
# Name, Type, SubType, Offset, Size, Flags
nvs,data,nvs,0x9000,24K,
phy_init,data,phy,0xf000,4K,
factory,app,factory,0x10000,1M,
*******************************************************************************
ninja: build stopped: subcommand failed.
ninja failed with exit code 1