Description:
When a  forward slash (/) character is used to name a Group version under the operations editor in Admin (e.g. "0200/2020/345") ,  you will not be able to delete the Group version. The following exception is is thrown when clicking on the name of the Group version.
Symptoms:
When you try to delete the operation at the Group version level under adminstrator->Business Connect -> Operations editor,  which is named in the format  "0200/2020/345" , it will not delete the operation but throw a refetchnode exception in the background. Restarting Administrator does not correct the problem.
Cause:
This issue is caused by the use of a forward slash character in the Group version name.  Business Connect uses that particular character for pattern recognition of operation sub levels. Although you cannot enter the forward slash character manually as a name of Group Version, it can be copied pasted directly into the Group version name entry. A Copy-paste of the forward slash character should not be done.

Not able to delete Group version from under the operations editor whena forward slash character is used in the name of the Group version.

To resolve this issue, delete the operation from the interchange level and recreate the operation from the Interchange level. Make sure that forward slash character is not used again during the naming of the operation.