Error Type: Type C photometric file: Last horizontal angle must be 90, 180 or 360 if the first horizontal angle is 0. This photometric file does not present a complete photometric web as required by LM-63-95 and later.
Remedy: If you are familiar with the file format, you may expand the web manually. Automatic Repair will expand Type C photometric web to 90, 180 or 360 degrees (next largest valid web).