IO Standard 1: Name = LVCMOS33, VREF = NR, VCCO = 3.30, TERM = NONE, DIR =
   INPUT, DRIVE_STR = NR
   List of locked IOB's:
       otg_oc
ERROR:Place:864 - Incompatible IOB's are locked to the same bank 34
   Conflicting IO Standards are:
   IO Standard 1: Name = LVCMOS33, VREF = NR, VCCO = 3.30, TERM = NONE, DIR =
   INPUT, DRIVE_STR = NR
   List of locked IOB's:
       otg_oc
ERROR:Place:864 - Incompatible IOB's are locked to the same bank 34
   Conflicting IO Standards are:
   IO Standard 1: Name = LVCMOS33, VREF = NR, VCCO = 3.30, TERM = NONE, DIR =
   BIDIR, DRIVE_STR = 12
   List of locked IOB's:
       processing_system7_0_GPIO<23>
       processing_system7_0_GPIO<24>
       processing_system7_0_GPIO<22>
       processing_system7_0_GPIO<27>
       processing_system7_0_GPIO<25>
       processing_system7_0_GPIO<26>
ERROR:Place:864 - Incompatible IOB's are locked to the same bank 34
   Conflicting IO Standards are:
   IO Standard 1: Name = LVCMOS33, VREF = NR, VCCO = 3.30, TERM = NONE, DIR =
   BIDIR, DRIVE_STR = 12
   List of locked IOB's:
       processing_system7_0_GPIO<23>
       processing_system7_0_GPIO<24>
       processing_system7_0_GPIO<22>
       processing_system7_0_GPIO<27>
       processing_system7_0_GPIO<25>
       processing_system7_0_GPIO<26>
ERROR:Place:864 - Incompatible IOB's are locked to the same bank 35
   Conflicting IO Standards are:
   IO Standard 1: Name = LVCMOS33, VREF = NR, VCCO = 3.30, TERM = NONE, DIR =
   BIDIR, DRIVE_STR = 12
   List of locked IOB's:
       processing_system7_0_GPIO<17>
       processing_system7_0_GPIO<18>
       processing_system7_0_GPIO<15>
       processing_system7_0_GPIO<16>
       processing_system7_0_GPIO<19>
       processing_system7_0_GPIO<20>
       processing_system7_0_GPIO<21>
       processing_system7_0_GPIO<0>
ERROR:Place:864 - Incompatible IOB's are locked to the same bank 35
   Conflicting IO Standards are:
   IO Standard 1: Name = LVCMOS33, VREF = NR, VCCO = 3.30, TERM = NONE, DIR =
   BIDIR, DRIVE_STR = 12
   List of locked IOB's:
       processing_system7_0_GPIO<17>
       processing_system7_0_GPIO<18>
       processing_system7_0_GPIO<15>
       processing_system7_0_GPIO<16>
       processing_system7_0_GPIO<19>
       processing_system7_0_GPIO<20>
       processing_system7_0_GPIO<21>
       processing_system7_0_GPIO<0>
ERROR:Pack:1654 - The timing-driven placement phase encountered an error.
ERROR:Xflow - Program map returned error code 2. Aborting flow execution...

新手请问下 这错误怎么解决