Basis Errors and Solutions

Symptom
An error occurred while activating BW object.
When you check the logs in RSTCO_ADMIN , you find the following error message:
“System is set to not changeable; objects cannot be changed”
Other terms
BW upgrade errors, system is set to not changeable,RSTCO_ADMIN,XPRA.
Reason and Prerequisites
Programm error.
The system is set always to “Non-changeable” during upgrade.So this error should not come [...]

Symptom
The ISpeak adapter supports only transient System Error Acknowledgements. The status of the Business Transaction could be updated subsequently based upon the XI Acknowledgement received. There is no mechanism in place for signalling permanent System Error Acknowledgements, which is required in order to fail a business transaction permanently.
Other terms
System Error Acknowledgement, Sys Err Ack, [...]

Symptom
When you specify your own ABAP class (for example, CL_MOBILE_SYSTEM_LOGIN), the system issues the error message “The class is not a valid login class”.
Reason and Prerequisites
This problem is caused by a program error.
Solution
The error is corrected with the final release of 702/720.