Diagnosis
During settlement scheduling, the system has been instructed to executethe logical service to create or change a settlement schedule. One of th
e following errors has occurred when attempting to access or execute thelogical service:

• It is not clear which tool the system should use to perform the logical
service.
Possible causes:
Scheduling rule is not assigned to any tool.
No object-dependent parameters have been defined for using the tool.
No tool functions have been assigned to the specified tool.

• The logical service tool function has triggered an exception.

Possible cause:
An error in the customer's development of the settlement scheduling tool

Procedure
Check the previous messages in the application log to establish the caus
e of the error.