7.2升级1.5出错了

MySQL Error
Message: query_error
SQL: SELECT COUNT(*) FROM `discuzx`.pre_forum_thread WHERE stamp>'0'
Error: Unknown column 'stamp' in 'where clause'
Errno.: 1054
Click here to seek help.
PHP Backtrace
File Line Class Type Function
include\db.class.php 102  db_mysql -> halt
include\db.class.php 85  db_mysql -> query
source\d7.2_x1.5\stamp.php 14  db_mysql -> result_first
include\do_convert.inc.php 54    require
index.php 36    require

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这个要怎么处理

用心处理

回复 yaste 的帖子

重安装一下X1.5再升级转换