Just been playing with the latest MR and after updating to the fixed Aroma FM (and re-flashing my main ROM kernel) I've got LP secondary ROMs working just fine with no more boot loops (and none of this updater binary issue that everyone else seems to be hitting!).
I'm now trying out installing a sense ROM (unboxed) as another secondary ROM and am hitting this:
E: Failed to sysMapFile '/realdata/media/0/0/Download/BiG_Unboxed+ROM+4.0+Sense+5.zip'
The "0/0" in there looks suspicious. Note that I'm on the new layout, and in case it's relevant my main rom is CM12.0.
But start by removing all the + from the zip name, either remove them or replace them with .
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