Flow price: --
a75353004bdae13a1ec218dd3275e9c4525e32fba6986fb52b51c1e1346de504

Transaction

Hash: a75353004bdae13a1ec218dd3275e9c4525e32fba6986fb52b51c1e1346de504
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a75353004bdae13a1ec218dd3275e9c4525e32fba6986fb52b51c1e1346de504:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a75353004bdae13a1ec218dd3275e9c4525e32fba6986fb52b51c1e1346de504
Status:
ERROR
Block height:
40093397
Block id:
6f483809b03770a0d3aa3996af0f3d5d7357f2e7f1af0e83d40e41ba6f6bc47d
Timestamp:
Tuesday 1 November 2022 at 07:14:43 UTC
()
Proposer:
Authorizers:
Gas used:
46