PADS9.0生产网表时报错，求助

Schematic Connectivity Errors
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Dangling Connections without a Net NameIF0
TUNER&AD X21850 Y5700
IF1
TUNER&AD X24000 Y5800
IF2
TUNER&AD X21850 Y5800
Dangling Connections with a Net Name
5VA
STM32F103X30130 Y12820
A
STM32F103X28420 Y12120
STM32F103X24840 Y12650
Power or Ground Symbols used with wrong Net Name
3.3V
TUNER&AD X11600 Y2750- PowerSymbol used for net: +5V
TUNER&AD X21500 Y4900- PowerSymbol used for net: +5V
Subnets with Missing Off-Page Reference
5VA
STM32F103X29620 Y12820 - Pin: J5.1