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you wired an OOP object to a binary file write function. Do you really expect just your data in the file?
When you use the "Multicore Analysis and Sparse Matrix Toolkit" you should read its help. And you should use the FileIO functions provided by that toolkit!
Best regards, GerdW
using LV2016/2019/2021 on Win10/11+cRIO, TestStand2016/2019