[R] Error en makebin(data, file) : 'sid' invalid

[liuguoxiao at made-in-china.com]

 recently I began to use the package 
"arulesSequences" but the algorithm cspade give me this error: 

Error en makebin(data, file) : 'sid' invalid 

when I did executed this script, 
> data<-read.table("E:/zaki.txt",header=TRUE,sep=',') 
data :
"seqid","eventid","page"
"1","1","2211"
"1","2","2488"
"1","3","2239"
"2","1","2240"
"2","2","2488"
"2","3","231"
"2","4","2461"

> page<-factor(data$page) 
> seqid<-as.integer(data$seqid)
> eventid<-as.integer(data$eventid)
> data<-data.frame(page=page)
> data.tran<-as(data,"transactions")
> transactionInfo(data.tran)$sequenceID<-seqid 
> transactionInfo(data.tran)$eventID<-eventid
> transactionInfo(data.tran) 
>result<cspade(data.tran,parameter=list(support=0,maxlen=2),control=list(verbose=TRUE)) 
£º


preprocessing ...Error in makebin(data, file) : 'eid' invalid (strict order)
      
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