error while making build

C:\Users\Owner\Downloads\mod\src\main\java\net\mcreator\theeverythingmod\client\model\Modelsnaptommy.java:14: error: cannot find symbol public class Modelsnaptommy extends EntityModel<monster> {
^
symbol: class monster
C:\Users\Owner\Downloads\mod\src\main\java\net\mcreator\theeverythingmod\client\model\Modelsnaptommy.java:33: error: cannot find symbol public static TexturedModelData getTexturedModelData() {
^
symbol: class TexturedModelData
location: class Modelsnaptommy
C:\Users\Owner\Downloads\mod\src\main\java\net\mcreator\theeverythingmod\client\model\Modelsnaptommy.java:54: error: cannot find symbol public void setAngles(monster entity, float limbSwing, float limbSwingAmount, float ageInTicks, float netHeadYaw, float headPitch) {
^
etc.