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3. On Blended bifocal designs if none of the above work, try using a larger _BLEND value (for Crossbows only). This will give a smoother transition between distance and segment areas and may eliminate the issue.
freeform file: invalid count value
This error, appearing on the VFT generator, is caused by either an LDTYPE that the generator doesn't recognize, or a mis-match between the surface point file format, and the LDTYPE sent to the generator. Some possible causes and solutions are:
1) Rx-Universe is sending LDTYPE=HMF for Zeiss jobs. HMF is not recognized by the VFT as a valid option for Zeiss. Upgrading to version 6.45.07 or later of Rx-Universe will cause LDTYPE=STF to be sent for HMF format files. Another solution is to ask Zeiss to send LDTYPE in the LMS packet, and then set Rx-Universe to use LDTYPE (on the Device tab of the digital type setup):
This latter solution is necessary if Zeiss sends SDF data as Schneider format data in the XML (this has been encountered at some labs).