Solved by changing at line 1358 in MCprotocol.js file: From writeResponse = theData.readUInt8(9); to writeResponse = theData.readUInt8(1);  Please @plcpeople , can you update the package on npm? thank you
Solved by changing at line 1358 in MCprotocol.js file:
From
writeResponse = theData.readUInt8(9);
to
writeResponse = theData.readUInt8(1);
Please @plcpeople , can you update the package on npm? thank you