When you click on any task instance of a Software Delivery task to check its status, a Warning windows appears and the details cannot be checked.
This task run has less child instances that it should: might be partially purged.
'Maximum number of working database rows:' setting limit has reached
Follow below steps to fix it:
Note: Increasing this setting will cause more storage on SQL server. The other option is to truncate the Task tables as suggested on TECH144662.
SMP - Symantec Management Platform