Duplicate plugin key: PlainNotificationTokenPlugin

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*** Assertion failure in -[FlutterEngine registrarForPlugin:], FlutterEngine.mm:1263
*** Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'Duplicate plugin key: PlainNotificationTokenPlugin'
*** First throw call stack:
(0x18d276d94 0x1863343d0 0x187a296cc 0x10ec51cbc 0x1004278b8 0x100427c4c 0x100427f90 0x18f6305f4 0x18f62fd2c 0x18f62ed08 0x18f62e954 0x18f377050 0x18f6b4c58 0x18f5672a4 0x18f5670cc 0x18f566c7c 0x18f566b48 0x18fc53234 0x18fcf15d8 0x18f414518 0x18f885270 0x18f4e535c 0x18f4e51cc 0x18f4e4724 0x18f4e44b0 0x1a328b220 0x1a32cafe0 0x1a328f05c 0x1a32cac38 0x194735eac 0x19473991c 0x1a3299188 0x1a3298d24 0x1a329b5d0 0x18d340208 0x18d34c864 0x18d2d16c8 0x18d2e71c4 0x18d2ec4dc 0x1c854c35c 0x18f67837c 0x18f677fe0 0x100428108 0x1ac774dec)
libc++abi: terminating due to uncaught exception of type NSException

• thread [info] Plugin to receive the notification #1, queue = 'com.apple.main-thread', stop reason = signal SIGABRT
  frame #0: 0x00000001cbf80558 libsystem_kernel.dylib__pthread_kill + 8 libsystem_kernel.dylib:
  -> 0x1cbf80558 <+8>: b.lo 0x1cbf80578 ; <+40>
  0x1cbf8055c <+12>: pacibsp
  0x1cbf80560 <+16>: stp x29, x30, [sp, #-0x10]!
  0x1cbf80564 <+20>: mov x29, sp
  Target 0: (Runner) stopped.