ddgen Structure not generated error

Hi ALL,

When i am trying to activate the activity in the DTR,

I am getting Structure com.sappi.sfp.rcpe.model.types.Zsd_Pmt_S_Prdtyperep_Repdata is not generated error.

Please check the below error and help me wht is the issue.

-

[ddgen] [Info] Generating datatypes/com/sappi/sfp/rcpe/model/types/Zsd_Pmt_S_Rel_Grades.gstructure

[ddgen] [Info] Generating datatypes/com/sappi/sfp/rcpe/model/types/Zsd_Pmt_S_Custm.gstructure

[ddgen] [Info] Generating datatypes/com/sappi/sfp/rcpe/model/types/Zsd_Pmt_S_Codevrg.gstructure

[ddgen] [Error] Structure com.sappi.sfp.rcpe.model.types.Zsd_Pmt_S_Prdtyperep_Repdata is not generated

[ddgen] [Error] BuiltIn Type or Simple Type expected

[ddgen] [Info] Catching throwable null [ddgen] [Info] com.sap.dictionary.generation.ant.GenerationAntTaskError

[ddgen] at com.sap.dictionary.generation.ant.GenerationAnt.showCheckResult(GenerationAnt.java:171)

[ddgen] at com.sap.dictionary.tools.generation.Generation.generatePersistentStructure(Generation.java:480)

[ddgen] at com.sap.dictionary.tools.generation.console.GenerationConsole.generate(GenerationConsole.java:168)

[ddgen] at com.sap.dictionary.generation.ant.GenerationAnt.main(GenerationAnt.java:47)

[ddgen] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

[ddgen] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)

[ddgen] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)

[ddgen] at java.lang.reflect.Method.invoke(Method.java:324)

[ddgen] at com.sap.dictionary.generation.ant.DDGenAntTask.execute(DDGenAntTask.java:219)

[ddgen] at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:275)

[ddgen] at org.apache.tools.ant.Task.perform(Task.java:364)

Thanks

Ravi