Flow price: --
629fbd30e6daa25abf42ed429e11a8f81f8e3a8740032b57870e8ba50f85ab2b

Transaction

Hash: 629fbd30e6daa25abf42ed429e11a8f81f8e3a8740032b57870e8ba50f85ab2b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 629fbd30e6daa25abf42ed429e11a8f81f8e3a8740032b57870e8ba50f85ab2b: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:
629fbd30e6daa25abf42ed429e11a8f81f8e3a8740032b57870e8ba50f85ab2b
Status:
ERROR
Block height:
39990507
Block id:
0b95d11fd55868c8ba4f79c642758173ad17781a02cd7037ee924e4aa0b7709e
Timestamp:
Sunday 30 October 2022 at 13:57:43 UTC
()
Proposer:
Authorizers:
Gas used:
48