Problem with script on RB- ver. 2.9.X

Hello

I have one problem with this script . it is start , change cca 60 queues and it is close.
This problem is pointed only with RouterBOARD because I am using this configuration on standard PC withhold any problem.
any idea ?
Thank you very much and have a nice day
Jan


SCRIPT :


/queue simple reset-counters
/ping 127.0.0.1 count=10
:foreach i in [/queue simple find] do={/queue simple set $i max-limit=90000/1500000}