Flow price: --
1238b77163da261aece6cae7782ca53ec3ee7b1f27de3c4791feb01c624f1651

Transaction

Hash: 1238b77163da261aece6cae7782ca53ec3ee7b1f27de3c4791feb01c624f1651
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1238b77163da261aece6cae7782ca53ec3ee7b1f27de3c4791feb01c624f1651:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
1238b77163da261aece6cae7782ca53ec3ee7b1f27de3c4791feb01c624f1651
Status:
ERROR
Block height:
39968857
Block id:
262c7c83aa734382136be64dedabe5667acd6e15e1c1e7fbe9d6861aa1002f5d
Timestamp:
Sunday 30 October 2022 at 05:17:59 UTC
()
Proposer:
Authorizers:
Gas used:
46