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小
@王涛 应该还是环境变量原因,source 到具体 的 文件 试试,比如ros2安装目录
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@大昊 我知道的是右键py文件-属性-permission-把可执行文件打勾,不知道你是不是问这个
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@2041525450 我保证,视频和书里绝对没有你敲的这句命令
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@小鱼 系统是ubuntu20.04,ros的版本是ros2foxy
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@Zln4ever 错误提示中说明了,你的Ipc_alam_report变量使用了大写,应该全为小写