描述
在生成模板驱动时，以下的错误信息表明，使用了和软件版本不匹配的库版本，“Necessary files are missing for block CH_AI. Please note that you must install exactly that version of the library from which this block was imported.”。
补救
参考以下具体信息去安装相关功能块库。如果按照如下操作，不会出现以上错误。
| 版本 | 手册 | 章 / 节 | 链接 |
| SIMATIC PCS 7 V6.0 | "Software updates without using new functions (PCS 7 V5.x to V6.0)" | 4.2 | Entry ID: 16518653 |
| SIMATIC PCS 7 V6.1 | "Software updates without using new functions (PCS 7 V6.0 to V6.1)" | 3.5 | Entry ID: 21407325 |
| SIMATIC PCS 7 V7.0 | "PCS 7 V7.0 software updates without using new functions(PCS 7 V6.x to V7.0)" | 5.4 | Entry ID: 24449025 |
| SIMATIC PCS 7 V7.0 SP1 | "SIMATIC Process Control System PCS 7 V7.0 SP1 software updates without using new functions (PCS 7 V6.x to V7.0 SP1)" | 6.4 | Entry ID: 27002507 |
| SIMATIC PCS 7 V7.1 | "Software updates without using new functions (PCS 7 V6.x to V7.1)" | 5.3 | Entry ID: 36191721 |
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