Flow price: --
19c1b06ca12beaefb3e1d7fd2b75d31a2fd2c6e5b31ca37bbfbe5ae312ea30b1

Transaction

Hash: 19c1b06ca12beaefb3e1d7fd2b75d31a2fd2c6e5b31ca37bbfbe5ae312ea30b1
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 19c1b06ca12beaefb3e1d7fd2b75d31a2fd2c6e5b31ca37bbfbe5ae312ea30b1:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
19c1b06ca12beaefb3e1d7fd2b75d31a2fd2c6e5b31ca37bbfbe5ae312ea30b1
Status:
ERROR
Block height:
40054283
Block id:
859b6d42d7c5ebdec6250d6f31e58b03454803fa910935e08319415ec20fdf67
Timestamp:
Monday 31 October 2022 at 15:30:08 UTC
()
Proposer:
Authorizers:
Gas used:
49