Error when Item details are clicked in CRM WEBUI

Hello Everyone

Iam getting the following error , when i click on Item details of an SO in CRM WEB UI screen.

Exception ClassCX_SY_REF_IS_INITIAL Error Name ProgramCL_ISXITA3_DETAILS_CN00=======CP IncludeCL_ISXITA3_DETAILS_CN00=======CM024 ABAP ClassCL_ISXITA3_DETAILS_CN00 MethodGET_V_CYCLE_TEXT Line Long textAn attempt was made to execute a dynamic method callon an initial(NULL-) object reference. The reference must refer to an object.

I have maintained the necessary configuration of role and object type.

Appreciate help , when is this error expected and what should i check.

Thanks,

Vaishnavi