Identifying and Correcting Errors 
If an error occurs while a SAProuter is in operation, an error message is displayed by the SAProuter client. The message helps you to locate the cause of the error and find a solution.
Prerequisites
You can find more information about error handling in the log file. Logging in SAProuter must be activated (Option -G<logfile>).
Procedure
Restrict the error to one of the following error groups:
Connection Setup Errors
Connection Terminations
Other errors /occasional errors
To find the relevant group, you can enter the error text in the full text search in the documentation.
Once you have restricted the error to a group, proceed as follows:
More Information
You can find information about the syntax of SAProuter error messages, and examples of frequently occurring errors in SAProuter Error Messages
Log file
If no error occurs, you can tell this from the log file. Entries are described in Successful Connection Setup and Data Transfer.
SAP Notes
With other error messages or problems with SAProuter you can look for solutions in the SAP Note system under component BC-CST-NI.
You can find notes about the SAProuter environment in section SAP Notes for the SAProuter.