The Configuration Server aborted processing due to the presence of 'Not Ready' devices

Getting this weird error when trying to create devices (even just one device) on the Symmetrix (DMX-4):

# symconfigure -cmd "create dev count=1,size=38105,config=RAID-5,emulation=FBA,disk_group=3,data_member_count=3;" commit

    Establishing a configuration change session...............Established.

    Processing symmetrix 00019010XXXX

    Performing Access checks..................................Allowed.

    Checking Device Reservations..............................Allowed.

    Submitting configuration changes..........................Submitted

    Validating configuration changes..........................Validated.

      New symdev:  03EB

    Initiating PREPARE of configuration changes...............Prepared.

    Initiating COMMIT of configuration changes................Queued.

    COMMIT requesting required resources......................Obtained.

    Step 004 of 077 steps.....................................Executing.

    Step 017 of 077 steps.....................................Executing.

    Step 023 of 077 steps.....................................Executing.

    Step 040 of 077 steps.....................................Executing.

    Step 044 of 156 steps.....................................Executing.

    Step 046 of 156 steps.....................................Executing.

    Step 051 of 156 steps.....................................Executing.

    COMMIT monitoring failed

    Error occurred while Committing

    The Configuration Server aborted processing due to the presence of 'Not Ready' devices

    Closing configuration change request......................Closed.

    Terminating the configuration change session..............Done.

The configuration change session has failed.