# RegistryApplicationSizeNotEqualsException
## Format
RegistryApplicationSizeNotEqualsException APPLICATION
expected: EXPECTED_SIZE
actual: ACTUAL_SIZE
## Cause
The `RegistryApplicationSizeNotEqualsException` caused by the size of the registry application is different between expected and actual.
## Check Points
1. Check if the size of the registry application that you expected
2. Check if the `agent.service_name` is duplicated in the test case project