If you don't do this before attempting to modify the Release and Iteration plans, you will get a permission-denied error when attempting to save the changes.

修改方案后，如果不这样做，在试着保存修改时，您将遇到许可权错误这种情况。

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You can use complex combined command lines, for example, to find Apache permission-denied errors by searching within all found compressed error logs and counting the number of errors.

例如，通过使用复杂的组合命令行，可以搜索找到的所有压缩的错误日志并统计错误数量，由此查明Apache拒绝权限错误的数量。

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Otherwise, you will get a permission-denied error when attempting to save changes to timelines.

否则，当您试着更改时间限时，会遇到一个“许可证禁止”的错误。

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