Diagnosis
You are already in wait mode for the connection &V1&. Therefore, youcannot switch to another window in wait mode as well.
Further information on the external software component:
V3

Procedure for System Administration
The error can occur in 2 different places:
1. In the connected gateway
2. In the underlying CTI software
In this case the error occurred in (&V4&).
The return code for the underlying CTI software is: &V2&