RTC Post build delivery gets statusCode=400 error on Jenkins

10:15:06 FATAL: POST request to https://example.com/jazz/resource/virtual/build/result/_GI3DokOEe6v_nfZ1GCQ/participant returned statusCode=400
10:15:06 Setting the build status to FAILURE.
10:15:06 Post build deliver failed for build result Queued in target for engine Jenkins engine 2(_GI3DokOEe6v_nfZ1GCQ).
10:15:06 Build step 'RTC Post Build Deliver ' changed build result to FAILURE
10:15:06 Recording fingerprints
10:15:06 Finished: FAILURE

</pre>

And the changes are not delivered.

The version number of RTC Eclipse: 6.0.4

Jenkins version: 2.150.1

Team Concert Plugin for Jenkins: 1.2.0.5

The build is scheduled on a fixed time interval.

Any help is appreciated.

The following message may be more revealing:
    

    {"errorMessage":"CRJAZ0024I An error occurred retrieving from the location "virtual/build/result/_ekxKsDmDEem6v_nfZn1GCQ/participant". See the following exception message: Resource not found: build/result/_ekxKsDmDEem6v_nfZn1GCQ/participant ","errorClass":"com.ibm.team.repository.common.ItemNotFoundException","errorCode":404}

</pre>
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