![Altium - How to Fix: Off Grid Warning, Missing Footprint, Unknown Pin, Clearance Violations - YouTube Altium - How to Fix: Off Grid Warning, Missing Footprint, Unknown Pin, Clearance Violations - YouTube](https://i.ytimg.com/vi/f7GP6NZs0Ok/maxresdefault.jpg)
Altium - How to Fix: Off Grid Warning, Missing Footprint, Unknown Pin, Clearance Violations - YouTube
![Altium Designer20 出现Failed to add class member:xxx 和Unknown Pin 错误解决办法_ad20 unknown pin_至少我还有梦的博客-CSDN博客 Altium Designer20 出现Failed to add class member:xxx 和Unknown Pin 错误解决办法_ad20 unknown pin_至少我还有梦的博客-CSDN博客](https://img-blog.csdnimg.cn/20200615144107553.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQ1ODc2OTkw,size_16,color_FFFFFF,t_70)
Altium Designer20 出现Failed to add class member:xxx 和Unknown Pin 错误解决办法_ad20 unknown pin_至少我还有梦的博客-CSDN博客
![Altium designer 原理图转换为pcb时出现的unknown pin 和failed to add class member 问题的解决方法_ad转pcb提示未知网络_卡卡fantic的博客-CSDN博客 Altium designer 原理图转换为pcb时出现的unknown pin 和failed to add class member 问题的解决方法_ad转pcb提示未知网络_卡卡fantic的博客-CSDN博客](https://img-blog.csdnimg.cn/20191212115920754.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQyNzQ1MzQw,size_16,color_FFFFFF,t_70)
Altium designer 原理图转换为pcb时出现的unknown pin 和failed to add class member 问题的解决方法_ad转pcb提示未知网络_卡卡fantic的博客-CSDN博客
![footprint - Altium Designer "Unknown Pin Error" for component - Electrical Engineering Stack Exchange footprint - Altium Designer "Unknown Pin Error" for component - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/vQmj9.png)
footprint - Altium Designer "Unknown Pin Error" for component - Electrical Engineering Stack Exchange
![footprint - Altium Designer "Unknown Pin Error" for component - Electrical Engineering Stack Exchange footprint - Altium Designer "Unknown Pin Error" for component - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/cufQL.png)
footprint - Altium Designer "Unknown Pin Error" for component - Electrical Engineering Stack Exchange
![footprint - Altium Designer "Unknown Pin Error" for component - Electrical Engineering Stack Exchange footprint - Altium Designer "Unknown Pin Error" for component - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/e58Pz.png)