Report Builder System Suitability Expression

Question

Data set from batch.bin works for S/N in shipping system suitability template. The expression for S/N was directly copied and pasted and all Field Caption/Field Values were replicated to match the system suitability template for S/N. But this error displays with the exact same data set: 
 
 Not sure how to troubleshoot this.

howard_sanford · Answer

Ziaz , 
 Make certain when you are copying and pasting expressions that you are not adding carriage returns/line breaks or removing the indentations needed by Python that indicate code blocks. I believe all of the expression examples in the shipping templates use three spaces for the code blocks. This must be consistent throughout a given expression. 
 It is difficult to cut and paste code here since the formatting will be shifted, but this is a screen shot of what the original expression looked like. Make certain that when you paste it and expand the window it is identical.

howard_sanford · Answer

Ziaz , 
 I was able to duplicate the problem by copying the expression from the SystemSuitability template into a modified Gen_Complete_ISTD template. The issue is that the binding names in that table in Gen_Complete_ISTD template are slightly different from the binding names in the SystemSuitability report. 
 In SystemSuitability the binding is named 'TargetCompound'. 
 In Gen_Complete_ISTD it is named 'TargetCompound s '. 
 So, change the first part of the expression to 
 BoundItems["TargetCompound s "].IsMinimumSignalToNoiseRatioNull() 
 and the expression will work.