Copying test group from 1 SB to another

I know it is recommneded to use :D , but I need to copy a test group from 1 signal builder to another

Source =gcb % get the source path
index = signalbuilder(Source, 'activegroup')
[time, data, signames, groupnames] = signalbuilder(Source)
t=time
d=data
g=groupnames
pause(10)
block=gcb % get the destination path
signalbuilder(block, 'append',t, d,signames,g)

It does not run proprely(it keeps copying all test groups not the active one only, and keeps doing so as if it is in a loop) and keeps throwing the below multiple time in the command window

Error using matlab.graphics.axis.Axes/set

While setting the 'XLim' property of Axes:

Value must be a 1x2 vector of numeric type in which the second element is larger than the first and may be Inf

Error in dataSet_activate (line 181)

Error in sigbuilder/sigBuilderDSChange (line 254)

Error in sigbuilder>@()sigBuilderDSChange() (line 74)

Error in sigbuilder (line 149)

Error in sigbuilder_tabselector>activate_entry (line 296)

Error in sigbuilder_tabselector>tab_right (line 187)

Error in sigbuilder_tabselector (line 110)

Error while evaluating UIControl Callback

Error using matlab.graphics.axis.Axes/set

While setting the 'XLim' property of Axes:

Value must be a 1x2 vector of numeric type in which the second element is larger than the first and may be Inf