At most one unlimited size dimension, called the record dimension, may be defined for each netCDF file. The specified dimension name is the name of another existing dimension. The specified size is not greater than zero. The specified size is unlimited, but there is already an unlimited size dimension defined for this netCDF file. The specified netCDF ID does not refer to an open netCDF file.
Case is significant.
Case is significant. The specified netCDF ID does not refer to an open netCDF file. Case is significant in dimension names. Case is significant in dimension names. The size for the unlimited dimension, if any, is the number of records written so far.