Hey there 
It looks like there’s an errant ‘:’ in the second line - it should just be a plain tab after ‘SEQUENCE_REF’ like so:
JALVIEW_ANNOTATION
SEQUENCE_REF eGFP_WT/1-239
BAR_GRAPH Bar Graph 1 an html tooltip for Bar graph 1.
0.0 | 0.0 | 0.0 | 0.9677781 | 0.0 | 0.0 | 0.3152986 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0