1768934 - STRING_SIZE_TOO_LARGE error when executing UJBR backup

• When running UJBR to take backup of transactional data on a huge appset, system generates error that STRING_SIZE_TOO_LARGE and process cancels.

STRING_SIZE_TOO_LARGE
CL_ABAP_ZIP===================CP
CL_ABAP_ZIP===================CM006=>SAVE

A string with a length x (bytes) was about to be created.
However, this length exceeds the maximum size possible for a string of 2145386496.

• Memory parameters 'abap/heap_area_dia', 'abap/heap_area_nondia' and 'abap/heap_area_total' were reviewed and adjusted as note 103747 suggests.
• The error still occurs after BPC Light Optimize
• Note 1629833 is already applied, the back up of Metadata & Master Data only is successful but transactional is not.
• Backup of smaller appset is successful.

• SAP Business Planning and Consolidation, version for SAP NetWeaver

bpc ujbr backup memory string dump , KBA , EPM-BPC-NW-BR , Backup & Restore , EPM-BPC-NW-BR-APP , Backup & Restore Appsets , Problem