The issue is that your named range for row 2 (unlike the Contextures examples) does not correlate exactly to the value chosen in B, you have accounted for this already in native XL via the Validation List using:
=INDIRECT("Title"&SUBSTITUTE(B2," ","")
You must therefore apply the same logic to the VBA... the ComboBox is populated here:
this then needs to be adapted such that the Named Range string is correct, ie mimic your INDIRECT validation formula such that it becomes:
Obviously you run into problems if your naming conventions are not consistent...
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