https://userapps.support.sap.com/sap/support/knowledge/en/2658610
2658610 - DUMP DATA_LENGHT_0 while processing quality notifications (/SSOL/QC02) | SAP Knowledge...
DUMP DATA_LENGHT_0 is triggered while processing quality notifications (for example customer complaint) with transaction /SSOL/QC02 and selecting a partner...