Thanks Tom - update on the issue. These are V8 transport files and do contain header information including having NOBS set as 300 for all the export files (irrespective of how many records they contained). We're assuming that this has been an issue with the creation of the XPT file and have passed back to the data supplier. In the meantime we are using an amended version of the XPT2LOC macro where we've set NOBS to a constant rather than using the value read from the file.
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