Flow price: --
27885b4ccdc6a72cf578d0a0f23ba128b2d12dc488d296f817fc3db2f4974dc0

Transaction

Hash: 27885b4ccdc6a72cf578d0a0f23ba128b2d12dc488d296f817fc3db2f4974dc0
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 27885b4ccdc6a72cf578d0a0f23ba128b2d12dc488d296f817fc3db2f4974dc0:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
27885b4ccdc6a72cf578d0a0f23ba128b2d12dc488d296f817fc3db2f4974dc0
Status:
ERROR
Block height:
40085472
Block id:
350709137ea311cf09678cdd8a6bfdb47e26d329596f27a036add7a99396e445
Timestamp:
Tuesday 1 November 2022 at 04:00:57 UTC
()
Proposer:
Authorizers:
Gas used:
50