Cabletron Systems SmartSwitch Router Reference Manual page 150

-POLICY-E-IMPSRCIDEXIST Import source <name> already exists.
Explanation:
Multiple import sources have been created. At least two of them were assigned the
same identifier.
Recommended Action:
Use a unique identifier when creating import sources.
-POLICY-E-IMPSRCNOTFOUND Import source <name> not found.
Explanation:
A routing policy command refers to an invalid (non-existant) import-source identifier.
Recommended Action:
Select a valid identifier.
-POLICY-E-IMPSRCOVFL No more free import sources max <number> current
Explanation:
The maximum number of import-source policy entries has been reached.
Recommended Action:
If possible, remove unused import-source policy entries.
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Chapter 21: POLICY Error Messages
<number>.
SSR-8 Error Reference Manual