Crystal Reports Designer AddIn cannot connect

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Symptom
Short dump SYSTEM_SHM_AREA_OBSOLETE in class /APC/BA_REPORT_BUFFER and method GET_REPORT_LATENCY.
Other terms
BAR BO
Reason and Prerequisites
The problem occurs if Analytical Sets are activated while end-users are connected to the ByDesign System.
Solution
The problem is fixed with ByDesign hotfix 21452.
FP2.0 SP0
Ensure that transport request is imported: H0EK008022.FP2.0 SP1
Ensure that transport request is imported: H1EK003730.FP2.0 SP2
Ensure that transport request is imported: [...]

HF_BYD: Issues with change notifications on Identity

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Symptom
The symptom has a technical background: In some automatic processes involving the modification of Identities, shortdumps are terminating the process. The dumps usually appear as MESSAGE_TYPE_X and the call stack shows methods of class /ISPCD/CL_OPERATION.
Other terms
BO Identity, ByDesign, User & Access Management
Reason and Prerequisites
The Business Object Identity issues change notifications even for locked [...]