from looking at the MEL command reference I would take off the brackets on these lines and see if that helps.
Oh and you do have 288 lines of code (318 to be exact! check your line numbers!!)
formLayout -edit
-attachForm $b7 "top" 98 + $bOffsetH2
-attachForm $b7 "left" 80 + $bOffsetW
$form;
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