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# Working with output codes

Some useful hints and tips to help resolve a range of output codes.

<table data-view="cards"><thead><tr><th></th><th data-hidden></th><th data-hidden></th><th data-hidden data-card-cover data-type="files"></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><strong>E020</strong> - Failed to start up analysis service</td><td></td><td></td><td></td><td><a href="/pages/JSdtGY9zkz6V49id4sZu">/pages/JSdtGY9zkz6V49id4sZu</a></td></tr><tr><td><strong>E057 to E065</strong> - Analysis service issue</td><td></td><td></td><td></td><td><a href="/pages/zfAgxE9ym2x9gpd1GUpz">/pages/zfAgxE9ym2x9gpd1GUpz</a></td></tr><tr><td><strong>E085</strong> - Attempt to compile a test as Groovy</td><td></td><td></td><td></td><td><a href="/pages/FP6Phb2PJLsP3JGVBbZ2">/pages/FP6Phb2PJLsP3JGVBbZ2</a></td></tr><tr><td><strong>R005</strong> - Unable to load class</td><td></td><td></td><td></td><td><a href="/pages/lxa7fknnor1bAGPLzuOF">/pages/lxa7fknnor1bAGPLzuOF</a></td></tr><tr><td><strong>R006</strong> - Static initializer failed</td><td></td><td></td><td></td><td><a href="/pages/jYzG0hVItkRidcMOqvoq">/pages/jYzG0hVItkRidcMOqvoq</a></td></tr><tr><td><strong>R008</strong> - Failed to instantiate class under test</td><td></td><td></td><td></td><td><a href="/pages/ZH90ZZJdXROHasiZzStJ">/pages/ZH90ZZJdXROHasiZzStJ</a></td></tr><tr><td><strong>R011</strong> - Sandboxing policy violation</td><td></td><td></td><td></td><td><a href="/pages/CiifPBvcce4VJWoDeNtn">/pages/CiifPBvcce4VJWoDeNtn</a></td></tr><tr><td><strong>R012</strong> - JNI sandbox policy violation</td><td></td><td></td><td></td><td><a href="/pages/FJ3tx2LGVlycYQYDQm7t">/pages/FJ3tx2LGVlycYQYDQm7t</a></td></tr><tr><td><strong>R013</strong> - No inputs found that don't throw a trivial exception</td><td></td><td></td><td></td><td><a href="/pages/L4zg5SNB28RwM5lOa7lf">/pages/L4zg5SNB28RwM5lOa7lf</a></td></tr><tr><td><strong>R026</strong> - Failed to create Spring context</td><td></td><td></td><td></td><td><a href="/pages/qJEFGCRsBD938lziALHH">/pages/qJEFGCRsBD938lziALHH</a></td></tr><tr><td><strong>R031</strong> - Method may be time-sensitive</td><td></td><td></td><td></td><td><a href="/pages/vkLhw0lxSYOcKI6CRRFW">/pages/vkLhw0lxSYOcKI6CRRFW</a></td></tr><tr><td><strong>V003</strong> - Tests discarded during validation</td><td></td><td></td><td></td><td><a href="/pages/0uIp9z7EjaF0MkkCazOn">/pages/0uIp9z7EjaF0MkkCazOn</a></td></tr></tbody></table>