[ERROR]
A label redefinition has been detected. This message is issued when:
Data1Sec: SECTION
label1: DS.W 4
; ...
Data2Sec: SECTION
label1: DS.W 1
; ...
Modify your source code to use unique identifiers.
Data1Sec: SECTION
d1_label1: DS.W 4
; ...
Data2Sec: SECTION
d2_label1: DS.W 1
; ...