| Index: runtime/vm/json_stream.cc
 | 
| diff --git a/runtime/vm/json_stream.cc b/runtime/vm/json_stream.cc
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| index a721c7e9bb0aaba4e33e5bec42dba5469bb5fe02..003f1b36d3c76a91340a6ab3dbfadf43be15d4af 100644
 | 
| --- a/runtime/vm/json_stream.cc
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| +++ b/runtime/vm/json_stream.cc
 | 
| @@ -124,10 +124,12 @@ static const char* GetJSONRpcErrorMessage(intptr_t code) {
 | 
|        return "Internal error";
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|      case kFeatureDisabled:
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|        return "Feature is disabled";
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| -    case kVMMustBePaused:
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| -      return "VM must be paused";
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|      case kCannotAddBreakpoint:
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|        return "Cannot add breakpoint";
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| +    case kIsolateMustBeRunnable:
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| +      return "Isolate must be runnable";
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| +    case kIsolateMustBePaused:
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| +      return "Isolate must be paused";
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|      default:
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|        return "Extension error";
 | 
|    }
 | 
| 
 |