Caused by: com.sap.mdm.internal.protocol.manual.ServerException: The session is not valid; it may have expired. Create a
new session and try the operation again.
at com.sap.mdm.internal.protocol.manual.AbstractProtocolCommand.execute(AbstractProtocolCommand.java:114)
at com.sap.mdm.data.commands.AbstractRetrieveLimitedRecordsCommand.execute
(AbstractRetrieveLimitedRecordsCommand.java:173)
i don't know why,if a session can do many command at the meantime! thank you every