Flow price: --
484e60c6d633a6f38e6d141d5e2870c2054cb8979a060312f2ba0639901fc472

Transaction

Hash: 484e60c6d633a6f38e6d141d5e2870c2054cb8979a060312f2ba0639901fc472
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 484e60c6d633a6f38e6d141d5e2870c2054cb8979a060312f2ba0639901fc472:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
484e60c6d633a6f38e6d141d5e2870c2054cb8979a060312f2ba0639901fc472
Status:
ERROR
Block height:
40037980
Block id:
604cbfdea271f2585899dde14e4b3cdd86b8ab03bc1c85666d366d4f79588dc2
Timestamp:
Monday 31 October 2022 at 08:54:52 UTC
()
Proposer:
Authorizers:
Gas used:
48