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Finding expression AX(x,x)

I needed to rotate part of my model by 90 deg. Luckily, i did build this part around 1 ref point, so by rotating that point the whole part rotated by 90 deg.
 
Now i am getting the following warning, which says some markers are 90 deg out of plane. How, can i find and debug this 'Marker I in expression AX(2359, 77)' ?
 
Warning
I could not find it in the ADAMS documentation.
 
Thanks in advance!