Software error:

Unmatched [ in regex; marked by <-- HERE in m/###word2_ĺK‰âŽBč^Z陌ƒ‚ˆ‹†ť“č[ <-- HERE _se###/ at ../cgi-bin/cart_lib.pl line 740.

For help, please send mail to the webmaster (webmaster@otokoyama.biz), giving this error message and the time and date of the error.