Diagnosis
You are setting up routing rules for archiving object &V1& or you wantto change existing routing rules for archiving object &V1&. However, anactive implementation for Business Add-In (BAdI) ARCH_ROUTING_EXTERNexists. This indicates that Archive Routing is to be employed, butwithout the use of routing rules.

System Response
You can continue to create routing rules for archiving object &V1&.However, it is very likely that these rules are ignored by the System.

Procedure
Check the active implementation of the Business Add-InARCH_ROUTING_EXTERN, using, for example, transaction SE19.