TF259615: Team Foundation Server could not complete the request because the machine already has a pending deployment task. Wait for the task to complete and then try the operation again.
TF259610: Team Foundation Server could not complete the request because the specified operation is not active on the test ...
TF259611: Team Foundation Server could not complete the request because the operation on the test machine is already complete. ...
TF259612:Team Foundation Server could not complete the request because the following operation is not active on the object:{0} ...
TF259613: Team Foundation Server could not complete the request because the environment is already reserved by another build. ...
TF259615: Team Foundation Server could not complete the request because the machine already has a pending deployment task. ...
TF259616: Team Foundation Server could not release the environment because one or more machines have pending deployment tasks. ...
TF259617: Team Foundation Server could not complete the request because one or more test machines are not ready. Wait a few ...
TF259618: Team Foundation Server could not complete the request because the environment is currently being used for deploying ...
TF259619: Team Foundation Server could not complete the request because the environment is currently being used for running ...