Flow price: --
2931b9abcefea5a2757e5e6e1faf120b806b516e57b3ccd3e95955c597d37b9b

Transaction

Hash: 2931b9abcefea5a2757e5e6e1faf120b806b516e57b3ccd3e95955c597d37b9b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 2931b9abcefea5a2757e5e6e1faf120b806b516e57b3ccd3e95955c597d37b9b: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:
2931b9abcefea5a2757e5e6e1faf120b806b516e57b3ccd3e95955c597d37b9b
Status:
ERROR
Block height:
40133557
Block id:
d5436aa2a4331122c731301a5de8b40d4e52e53059e1a1e46c9d8cda4dbca571
Timestamp:
Tuesday 1 November 2022 at 23:34:03 UTC
()
Proposer:
Authorizers:
Gas used:
48