work schedule view in bapi

Hi friends

I am Extend the Material from Trading plant to Manifacturing Plant. while Extending

Work schedule view not activated . please check the below code

WA_MATHEAD-SALES_VIEW = C_X.

WA_MATHEAD-PURCHASE_VIEW = C_X.

WA_MATHEAD-ACCOUNT_VIEW = C_X.

WA_MATHEAD-COST_VIEW = C_X.

WA_MATHEAD-STORAGE_VIEW = C_X.

WA_MATHEAD-WORK_SCHED_VIEW = C_X.

WA_MATHEAD-MRP_VIEW = C_X.

After Process the Bapi, the material doesnt shows only work schedule view,

Please give me some idea.

thank u for u r time

Suresh