The game shows an error(holy,1.21,iris)

[popstarmc]

deferred.fsh: deferred.fsh: 0:142: L0001: Expected token ';'
0:178: L0001: Expected token ';'
0:189: L0001: Expected token ';'
0:190: L0002: Undeclared variable 'scatterCoeff'
0:191: L0002: Undeclared variable 'scatterCoeff'
0:197: L0002: Undeclared variable 'scatterS'
0:198: L0002: Undeclared variable 'scatterM'
0:199: L0002: Undeclared variable 'scatterS'
0:200: L0002: Undeclared variable 'scatterM'
0:245: L0001: Expected token ';'
0:246: L0002: Undeclared variable 'coord'
0:251: L0002: Undeclared variable 'coord'
0:252: L0002: Undeclared variable 'coord'
0:253: L0002: Undeclared variable 'coord'
0:294: L0001: Expected token ';'
0:305: L0001: Expected token ';'
0:306: L0002: Undeclared variable 'coord'
0:308: L0002: Undeclared variable 'noise'
0:309: L0002: Undeclared variable 'noise'
0:310: L0002: Undeclared variable 'noise'