xdjm们帮我看看这个问题是怎么回事，谢谢了

在logic与pcb同步的时候出了一堆这种错误，为什么呢？
Line 702 , Section *SET_ATTRIBUTE*
"Voltage" 25V
* WARNING: Attribute "Voltage" in dictionary is not allowed for PART objects
* Dictionary is modified to allow attribute for PART
Line 721 , Section *SET_ATTRIBUTE*
"Voltage" 50v
* Voltage 50v: Error: String v is treated as Volt but such treatment is prohibited
Line 982 , Section *SET_ATTRIBUTE*
"Voltage" 50v
* Voltage 50v: Error: String v is treated as Volt but such treatment is prohibited