2894414 - An exception with the type CX_SY_DYN_CALL_ILLEGAL_TYPE was raised - BPC NW 10.1

In BPC standard version, you created your own email template for BPF notification based on the following wiki:
https://wiki.scn.sap.com/wiki/display/CPM/How+to+maintain+BPF+email+templates

However, the following error occurs in SLG1 when creating a BPF instance and you cannot receive the email notification.
An exception with the type CX_SY_DYN_CALL_ILLEGAL_TYPE was raised, but was not handled locally or declared in a RAISING clause.

SAP Business Planning and Consolidation 10.1, version for SAP NetWeaver

EPM, BPC NW, Business Planning and Consolidation for NetWeaver, SAP BPC FOR NetWeaver , KBA , EPM-BPC-NW , NetWeaver Version , Problem