Template:Convert/Dual/LoffAonDbSoffUSre

Expression error: Unrecognized punctuation character "{". to Expression error: Unrecognized punctuation character "{". US {{{u}}} ({{convert/{{{4}}}|{{{1}}}|{{{2}}}/AonSoff|{{{3}}}|{{{s}}}+{{{b}}}|r={{{r}}}|j={{{j}}}|d=Dual/Loff}})