Basis Errors and Solutions

Symptom
It is not possible to activate a Datasource within transaction RSDS. The activation-log shows an “Internal error while deleting Web Service”.
Other terms
Service Definition Deletion
Reason and Prerequisites
Due to several changes within the configuration-framework, the deletion of the generated web service definition is not successfull, which in turn leads to the Datasource not being activated.
Solution
This [...]

Symptom
In SE80, when displaying a service definition based on a function module, function group or BAPI, the “external” or “internal” view shows an error within the ALV-Control: “Node already exists”
Other terms
service definition dump ALV
Reason and Prerequisites
The reason for this problem is that under certain circumstances, the external or internal view tree generates doublicate [...]

Symptom
On some systems the Job Scheduler task view does not display any task.
In addition there is a TaskDoesNotExistException in the trace file with the following details:
Job definition with id was not found, where the ID is a number in hex format.
Other terms
job scheduler , NWA, job definition
Reason and Prerequisites
Particular upgrade case – when [...]