Thanks for reaching out!
Could you please let us know which version of the SDK you are using?
In case you are using version R3 of the SDK, please note that the R200 is not supported on this release, therefore this behavior could be explained by that.
I've checked pxcmstatus.cs (libpxcclr.cs/pxcmstatus.cs at master · SharpSenses/libpxcclr.cs · GitHub) and it states that pxcmStatus value, if it is different than 0 it indicates an error, in this case PXCM_STATUS_FEATURE_UNSUPPORTED is -1 and PXCM_STATUS_DATA_UNAVAILABLE is -501. So, something might be wrong on your application.
PXCM_STATUS_DATA_UNAVAILABLE in pxcmblobdata.cs (libpxcclr.cs/pxcmblobdata.cs at master · SharpSenses/libpxcclr.cs · GitHub) it is stated that the segmentation image is not available. You might want to take a look this files.
Let us know.
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