Doesn't support E in gcode files

[leotaozeng]

Hey there! I'm facing the following error.
Is there any solution, please? Thank you

SyntaxError: Expected "A", "B", "C", "D", "F", "G", "H", "I", "J", "K", "L", "M", "P", "Q", "R", "S", "T", "X", "Y", "Z", [.], [0-9] or end of input but "E" found.] {
 expected: [
 { type: 'literal', value: 'A', description: '"A"' },
 { type: 'literal', value: 'B', description: '"B"' },
 { type: 'literal', value: 'C', description: '"C"' },
 { type: 'literal', value: 'D', description: '"D"' },
 { type: 'literal', value: 'F', description: '"F"' },
 { type: 'literal', value: 'G', description: '"G"' },
 { type: 'literal', value: 'H', description: '"H"' },
 { type: 'literal', value: 'I', description: '"I"' },
 { type: 'literal', value: 'J', description: '"J"' },
 { type: 'literal', value: 'K', description: '"K"' },
 { type: 'literal', value: 'L', description: '"L"' },
 { type: 'literal', value: 'M', description: '"M"' },
 { type: 'literal', value: 'P', description: '"P"' },
 { type: 'literal', value: 'Q', description: '"Q"' },
 { type: 'literal', value: 'R', description: '"R"' },
 { type: 'literal', value: 'S', description: '"S"' },
 { type: 'literal', value: 'T', description: '"T"' },
 { type: 'literal', value: 'X', description: '"X"' },
 { type: 'literal', value: 'Y', description: '"Y"' },
 { type: 'literal', value: 'Z', description: '"Z"' },
 { type: 'class', value: '[.]', description: '[.]' },
 { type: 'class', value: '[0-9]', description: '[0-9]' },
 { type: 'end', description: 'end of input' }
 ],
 found: 'E',
 offset: 3,
 line: 1,
 column: 4
}