https://userapps.support.sap.com/sap/support/knowledge/en/3363483
3363483 - Warning message GA714 in KSU5 | SAP Knowledge Base Article
When running KSU5, warning message GA714 - "The segment does not contain any senders." is raised, even though a valid sender was inserted in the cycle.
sap knowledgewarningmessagebasearticle
https://userapps.support.sap.com/sap/support/knowledge/en/2804840
2804840 - Lock error GA562 in KSU5 KSV5 | SAP Knowledge Base Article
When running KSU5 or other assessment / distribution transation code, error GA562 come out.
sap knowledgelockerror