Consistant Error message on Ethernet

i am always getting the following error message, on any Arduino sketch i try and compile. this specific message is on a Mega 2560 R3. why am i always seeing this > my original code is attached

In file included from /snap/arduino/50/libraries/Ethernet/src/Dns.cpp:8:0:
/snap/arduino/50/libraries/Ethernet/src/Dns.cpp: In member function ‘uint16_t DNSClient::BuildRequest(const char*)’:
/snap/arduino/50/libraries/Ethernet/src/utility/w5100.h:457:25: warning: result of ‘(256 << 8)’ requires 18 bits to represent, but ‘int’ only has 16 bits [-Wshift-overflow=]
#define htons(x) ( (((x)<<8)&0xFF00) | (((x)>>8)&0xFF) )

/snap/arduino/50/libraries/Ethernet/src/Dns.cpp:164:18: note: in expansion of macro 'htons'

[BareMinEth.ino|attachment](upload://eIURQZImoBTLRNBmqLionHXK3Sm.ino) (776 Bytes)

This previous post asks the same question -- does it shed any light?

ok all i have figured out my problem , Do not use the Snap package version of Arduino, i have uninstalled the snap version and downloaded from the Arduino Site and everything is working fine. same code no compile errors.

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