anusplin插值遇到的问题

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我在用Anusplin插值进行第二步的时候遇到这样的问题：A format specification must begin with a left parenthesis(unit-12), error occurs at or near line 140 of _wrtrow_ called from or near line 410 of _calegd_ called from or near line 234 of _MAIN_ 请问什么原因 求大神指点急急急！！！！！！！！！