The detail description as following:
"MySQL Database Error: Row size too large. The maximum row size for the used table type, not counting BLOBs, is 8126. You have to change some columns to TEXT or BLOBs "
main reasons as following:
1)MYSQL VARCHAR length limit is 65535 bytes,if you use UTF8,the length limit is 65535/3.
2)mysql5.1 bug,the bug is http://bugs.mysql.com/bug.php?id=50495
please upgrade the MYSQL version to 5.1.47