Flow price: --
fa19e502b47dc50a99f6210017829ef1fe90a2bc8a8ed8a5f5234fcc7968e12a

Transaction

Hash: fa19e502b47dc50a99f6210017829ef1fe90a2bc8a8ed8a5f5234fcc7968e12a
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> fa19e502b47dc50a99f6210017829ef1fe90a2bc8a8ed8a5f5234fcc7968e12a: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:
fa19e502b47dc50a99f6210017829ef1fe90a2bc8a8ed8a5f5234fcc7968e12a
Status:
ERROR
Block height:
40157660
Block id:
b952054c6b17bb112a8cd4fafe571e119b52d6f3ef59ed1f1071d6600336e6dc
Timestamp:
Wednesday 2 November 2022 at 09:21:24 UTC
()
Proposer:
Authorizers:
Gas used:
47