Flow price: --
9a2f1ebb951edd97a24f835855c70a0d87c132a6d7bf208f327a2ea7079f9551

Transaction

Hash: 9a2f1ebb951edd97a24f835855c70a0d87c132a6d7bf208f327a2ea7079f9551
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9a2f1ebb951edd97a24f835855c70a0d87c132a6d7bf208f327a2ea7079f9551:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
9a2f1ebb951edd97a24f835855c70a0d87c132a6d7bf208f327a2ea7079f9551
Status:
ERROR
Block height:
40094962
Block id:
f166483f63df5aded589183e8248887f26dd3e6b86d9b02334614e6a86738fcd
Timestamp:
Tuesday 1 November 2022 at 07:52:30 UTC
()
Proposer:
Authorizers:
Gas used:
49