Erro during Building of DC

Hi All,

Am getting the following error while "Building" the DC Component.

[wdgen] ERROR: Unknown exception during generation null (com.sap.webdynpro.generation.ant.GenerationAntTaskError)

[wdgen] ERROR: Generation failed due to errors (1 seconds)

Ant runtime 3.625 seconds

Ant build finished with ERRORS

[Error] Generation failed!

Error: Build stopped due to an error: [Error] Generation failed!

Build plugin finished at 2008-01-20 13:52:44 GMT+05:30 (IST)

Total build plugin runtime: 4.172 seconds

Build finished with ERROR

Please suggest any solution

Urgent!!!!!

Regards

Arpita H