PARA_ERROR(GC_WRITE, "grab client write error"), \
PARA_ERROR(BAD_GC_SLOT, "invalid slot requested by grab client"), \
PARA_ERROR(BAD_GC_FILTER_NUM, "invalid filter number given"), \
PARA_ERROR(GC_SYNTAX, "grab client syntax error"), \
PARA_ERROR(GC_WRITE, "grab client write error"), \
PARA_ERROR(BAD_GC_SLOT, "invalid slot requested by grab client"), \
PARA_ERROR(BAD_GC_FILTER_NUM, "invalid filter number given"), \
PARA_ERROR(GC_SYNTAX, "grab client syntax error"), \