Flow price: --
12498c8b1220e851a4dc724313e7714d9795f602767fc6ba0008e1feb44161dd

Transaction

Hash: 12498c8b1220e851a4dc724313e7714d9795f602767fc6ba0008e1feb44161dd
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 12498c8b1220e851a4dc724313e7714d9795f602767fc6ba0008e1feb44161dd: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:
12498c8b1220e851a4dc724313e7714d9795f602767fc6ba0008e1feb44161dd
Status:
ERROR
Block height:
40143331
Block id:
55d71f01d0406d771a5e0b243554686b12bcfa79f00a1e18582d024749f3a519
Timestamp:
Wednesday 2 November 2022 at 03:31:29 UTC
()
Proposer:
Authorizers:
Gas used:
47