[Fixed] Error on eggdrop partyline! help

I have ioFTPD with iOA and iobanana plus irc-sitebot working, but after ~30mins announcing,widout any errors my eggdrop brings following error @ partyline:

[15:52] error error | E: Timeout of control connection after 15 sec.!
can't read "ftp(Dir)": no such element in array
while executing
"Command $ftp(Command) cd $ftp(Dir)"
("2" arm line 4)
invoked from within
"switch -exact -- $rc {
1 {}
2 {
set complete_with 1
set nextState 1
..."
("cd_sent" arm line 2)
invoked from within
"switch -exact -- $ftp(State) {
user {
switch -exact -- $rc {
2 {
PutsCtrlSock $s "USER $ftp(U..."
(procedure "::ftp::StateHandler" line 72)
invoked from within
"::ftp::StateHandler 0 sock492"
[15:54] error error | E: Timeout of control connection after 15 sec.!

Would b great if any1 could help me there. thx
Used(ioFTPD-beta5-8-5r / windrop 1.6.13 / ioBanana 1.19 / ioA.1.1.0 )