public Builder clearErrorTrace() {
      bitField0_ = (bitField0_ & ~0x00000200);
      errorTrace_ = null;
      if (errorTraceBuilder_ != null) {
        errorTraceBuilder_.dispose();
        errorTraceBuilder_ = null;
      }
      onChanged();
      return this;
    }
<pre>
If result_state is an ERROR, this field provides the primary reason for
scan's termination and more details, if such are available.
</pre>

<code>.google.cloud.websecurityscanner.v1beta.ScanRunErrorTrace error_trace = 10;</code>
java-websecurityscanner/proto-google-cloud-websecurityscanner-v1beta/src/main/java/com/google/cloud/websecurityscanner/v1beta/ScanRun.java