SDDS wake function read error

Error> Error> *** User error detected by function "Attributes::getString()" Error> Attribute "FNAME" is not string. Error> Attribute "FNAME" is not string. application called MPI_Abort(MPI_COMM_WORLD, -100) - process 0 [unset]: write_line error; fd=-1 buf=:cmd=abort exitcode=-100

wakecorr: WAKE, TYPE="LONG-SHORT-RANGE", NBIN=500, FNAME="testWake220GHz.sdds" ;