元件无法更新了

出这样的错 ，帮忙教下什么原因啊?------ Library Paths ------
PSMPATH =  .
           symbols
           ..
           ../symbols
           D:/Cadence/SPB_15.5/share/local/pcb/symbols
           D:/Cadence/SPB_15.5/share/pcb/pcb_lib/symbols
           D:/Cadence/SPB_15.5/share/pcb/allegrolib/symbols
PADPATH =  .
           symbols
           ..
           ../symbols
           D:/Cadence/SPB_15.5/share/local/pcb/padstacks
           D:/Cadence/SPB_15.5/share/pcb/pcb_lib/symbols
           D:/Cadence/SPB_15.5/share/pcb/allegrolib/symbols
------ Symbol Refresh Messages ------
'EARPHONE'  symbol starting to refresh:
     WARNING: 'EARPHONE' symbol unable to find in directory search path.
----- Symbol Update Summary ----
Completed refreshing all symbols successfully. Warnings detected.
       0  errors detected.
       1  warnings detected.

缺少EARPHONE的封装。
可能因为没有相应的psm文件，或者就是没有这个封装