NDS ROM: 4687 - Ragnarok - USA freeze problem

Everytime I slay the big elder willow (when you have to save the old man's kid) my game just stops (is freezing only with white screen or when your game just stops playing and you see the same picture all the time?), well either way I am using R4DS 1.18.Are more people having this problem and does someone has advice (except for buying another gamecard)?

Upgrade your firmware to either the 1.24 r4li firmware for the R4 www.r4li.com
or to Ysmenu/DSTT 1.17a12 firmware with the latest infolib and extinfo.
http://forum.romulation.net/index.php?topic=27617.0

thank you going to try it out now, will say if it worked later
Post Merge: [time]1270215533[/time]
still freezes with 1.24 ...
Post Merge: [time]1270297504[/time]
keeps freezing even with ysmenu...