Solved: Open Dataset: Sy-subrc

data sy Internal system fields are intended purely for internal use in the ABAP runtime framework and in the kernel. They must never be overwritten in an ABAP program and they should not be. Provides access to downloadable CCD data files and documentation.

data toto kl sore, SY-DATUM and the system fields for the local time zone, that is SY-TIMLO, SY-DATLO, and SY-ZONLO are also reset. SY-DATLO Local date of user, for example 19981129, 19990628..