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# ${ in shell script introduce massive warning in Spinnaker UI (Failed to evaluate ... not found)

### Issue <a href="#issue" id="issue"></a>

When running a shell script in a stage, the Spinnaker UI and logs show a massive warning message, but everything works fine. `Failed to evaluate ... not found` A screenshot is below:

### Cause <a href="#cause" id="cause"></a>

End users seeing this issue may discover that it is tied to the shell scripts include the `${}` notation. For example, `${n}`. The format `${}` is the same as a Spring Expression Language (SpEL) expression. Orca is confused because it sees `${n}` as an expression, and there is no ***`n`*** in the context.