本文介绍了一个常见的reallysimplevalidation (RSV) 错误——“字段不存在”，并详细解释了其根本原因在于设置中的空格问题。通过对比正确的配置示例，帮助新手开发者快速定位并修复该问题。
really simple validation[url]http://www.benjaminkeen.com/software/rsv/prototype/demo.php[/url] is very useful and easy to use.
However there is a very common problem for newbie:
RSV Error: the field " xxx" doesn't exist! Please check your form and settings.
the root cause is because of the "space" key.
root cause:
"required, field_name,Please input xxx"
should be written as:
"required,field_name,Please input xxx"
see the difference? the 2nd one doesn't have the space key.
However there is a very common problem for newbie:
RSV Error: the field " xxx" doesn't exist! Please check your form and settings.
the root cause is because of the "space" key.
root cause:
"required, field_name,Please input xxx"
should be written as:
"required,field_name,Please input xxx"
see the difference? the 2nd one doesn't have the space key.
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