BW Upgrade Errors : System changeability error

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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 [...]

“">ALV TP: Filtering according to identifier using “<" or ">“

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Symptom
You execute a worklist with the SAP List Viewer and you have
activated table paging (”is pageable” indicator).
You have entered a filter value with a “less than” or “greater than” operator for a column of identifier type (for example, “>100″). The ABAP transaction terminates with a short dump.
Other terms
ALV TP, ALV table paging, is pageable, [...]

“">ALV TP: Filtering according to identifier using “<" or ">“

[] [] [] [] [] [] [] [] [] [] [] [] [] []

Symptom
You execute a worklist with the SAP List Viewer and you have
activated table paging (”is pageable” indicator).
You have entered a filter value with a “less than” or “greater than” operator for a column of identifier type (for example, “>100″). The ABAP transaction terminates with a short dump.
Other terms
ALV TP, ALV table paging, is pageable, [...]