Quantmod Yahoo ticker download error

library(quantstrat)
all.symbols <- stockSymbols(c("NYSE"),sort.by=c("MarketCap","Exchange"),quiet=TRUE)
biggest.symbols <- tail(all.symbols,n=5)
clean.symbols <- subset(biggest.symbols, select = c("Symbol","Name","LastSale","MarketCap","Sector"))
row.names(clean.symbols) <- NULL
i=1 #trying i=1 instead of doing the entire loop
symbol <- clean.symbols[i,]$Symbol
try (getSymbols(symbol, verbose=FALSE, warnings=FALSE, from='2015-01-01'))

df = data.frame(Date=index(get(symbol)), coredata(get(symbol)))

Hello,

Tickers with - get error when trying to download ZB-PA but not ZBK.

When I manually download it from Yahoo I get this link, that works.

http://real-chart.finance.yahoo.com/table.csv?s=ZB-PA&a=00&b=2&c=2015&d=01&e=23&f=2015&g=d&ignore=.csv

The Quantmod tried to download from this link, which does not exist.
http://ichart.finance.yahoo.com/table.csv?s=ZB-PA&a=0&b=01&c=2015&d=1&e=24&f=2015&g=d&q=q&y=0&z=ZB-PA&x=.csv

If this part could be replaced "q=q&y=0&z=ZB-PA&x" with "d&ignore" and it will work both with ZB-PA and ZBK.

Maybe this forum is not the correct place to suggest this improvement, please point me in right direction.

Maybe someone can help me out to fix this script error?
My script stop writing to the database if one of these tickers get this error described above (no data exist for symbol ZB-PA to be stored in the database. Anyone know how to ignore tickers that get this error so the script can continue to load all tickers that has downloaded data?

Please find attached scripts.

Error when trying to download ticker data from Yahoo Finance for ZB-PA.

=================================
"Downloading ZB-PA
Error in download.file(paste(yahoo.URL, "s=", Symbols.name, "&a=", from.m,  : 
  cannot open URL 'http://ichart.finance.yahoo.com/table.csv?s=ZB-PA&a=0&b=01&c=2015&d=1&e=24&f=2015&g=d&q=q&y=0&z=ZB-PA&x=.csv'
In addition: Warning message:
In download.file(paste(yahoo.URL, "s=", Symbols.name, "&a=", from.m,  :
  InternetOpenUrl failed: 'The operation timed out'
, error - did not download (likely due to rate limiting
Downloading ZBK
Warning message:
In download.file(paste(yahoo.URL, "s=", Symbols.name, "&a=", from.m,  :
  downloaded length 1653 != reported length 200

View(clean.symbols)
"

=============================

========================================

# Save data to MySQL

library(RMySQL)

con <- dbConnect(RMySQL::MySQL(), host="localhost", user="donedge",password="p at ssw0rd", dbname= "daily")

# Loop through each symbol

for (i in 1:nrow(clean.symbols)){

+   symbol <- clean.symbols[i,]$Symbol
+   df = data.frame(Date=index(get(symbol)), coredata(get(symbol)))
+   setNames(df,c("Date","Open","High","Low","Close","Volume","Adjusted"))
+   
+   cat("Storing",symbol,"\n")
+   
+   if(dbExistsTable(con, symbol)){
+     dbRemoveTable(con, symbol)
+   }
+   
+   dbWriteTable(con, name=symbol, value=df, row.names=FALSE, overwrite = TRUE)
+   
+ }
Error in get(symbol) : object 'ZB-PA' not found

========================================

Kind Regards
Isak
<downloadData.R><mysqlData.R><init.R>_______________________________________________
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