For my generated BOM report, I still have the odd identical part number that isn't merged into 1 row despite having configured the report to 'merge rows' for part number - some work and some don't - see example below: I want  TA1, TA2 and TA4 all to be on one row, but the report is placing TA2 on a different row, i don't know why this is. The only obvious difference that I can see is that TA2 has a hyperlink attached (its highlighted in blue text) although I don't know why TA4 and TA1 don't have the same hyperlink as these devices have all been assigned the same part number.

Here is my report configuration. I have only checked merge row for the part number. Any ideas what's going on?