Hi Rishi,
you can reset the IPC VMC cache with with the following function modules as described in the SAP note 867428 "Adapt buffer refresh times of VMC based AP 7.00 engines":
- Call IPC_DET_CLEAR_CUST_BUFFER to refresh the customizing data buffers of the AP Pricing Engine
- Call PRC_CNV_UTIL_CLEAR_BUFFER to refresh the data buffers of the currency and unit conversion.
- Call PRC_CLEAR_PRODUCT_BUFFER to refresh the product master data buffers.
- Call TTE_REFRESH_CUSTOMIZING to refresh the customizing data buffers of the AP Tax Engine.
Best regards,
Baris