DUPLICATE_CHILD_NAME error is raised when multiple sub-statements of a node have the same argument. The checker however treats argument-less sub-statements as with argument value as "None" text, and raises the same error as below
.\test\test.yang:88: error(1): DUPLICATE_CHILD_NAME: there is already a child node to "alpha" at .\test\test.yang:88 with the name "None" defined at .\test\test.yang:89
DUPLICATE_CHILD_NAME error is raised when multiple sub-statements of a node have the same argument. The checker however treats argument-less sub-statements as with argument value as "None" text, and raises the same error as below