SAP Message UMG378 - The SPUMG Language List is empty.

Diagnosis You tried to create an IUUC converter object but it cannot be createdbecause the SPUMG Language List is empty. Procedure Make sure that you switched on the IUUC mode correctly (reportUMG_IUUC_CONTROL). Make sure that you uploaded all IUUC files duringpreparation of the IUUC mode.