There is a display issue with PE programs running in a b3 device, depending on program code the current line shown maybe incorrect showing a line that is NOT the line the program is currently at, this issue exists in all versions of SBO.
Note that program execution is not effected, the execution of the program iscorrect, it is only the CL shown that maybe incorrect.
Issue will be fixed in SBO 1.6
The defect has been corrected and the fix will be released in SBO 1.6
Currently there is not hot fix available for this issue.