ASSERTION_FAILED dump in SAPLCRM_ORDER_API

Hi Experts,

We are facing the Assertion failed error in the process of creating the contract line items in CRMD_ORDER.

This is happening after we have upgraded from CRM 5.0 to CRM 7 .

Any pointers would be helpful.

The Error analysis as below-

If the FIELDS addition was used in the ASSERT statement, you can find

the content of the first 8 fields specified in the following overview:

   LV_MSG_DUMP = `Unexpected termination of 1o framework processing`

   LV_EXCEPTION_TEXT = `An exception of type 'CX_SY_DYN_CALL_ILLEGAL_FUNC'

  occurred, that was not caught anywhere in the call hierarchy. It was not

  handled locally or declared using a RAISING clause.`

   LV_MSG_RESPONSIBLE = `The exception occured in`

   LV_PROGRAM_NAME = SAPLCRM_EVENT_OW

   LV_INCLUDE_NAME = LCRM_EVENT_OWF03

   LV_SOURCE_LINE =