Flow price: --
281d8494dcb8be622fd84e1729f1cc6ce542afe5049415461f4d8fa4637fd143

Transaction

Hash: 281d8494dcb8be622fd84e1729f1cc6ce542afe5049415461f4d8fa4637fd143
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 281d8494dcb8be622fd84e1729f1cc6ce542afe5049415461f4d8fa4637fd143:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
281d8494dcb8be622fd84e1729f1cc6ce542afe5049415461f4d8fa4637fd143
Status:
ERROR
Block height:
40165965
Block id:
f63d508d22706db6bb640e2f89f9e21ed6a9139d7be3a973dc608f45bc2e6e52
Timestamp:
Wednesday 2 November 2022 at 12:42:40 UTC
()
Proposer:
Authorizers:
Gas used:
49