Flow price: --
2425c1f17ff752fb6dd6a2de28493310165d1be06718a1cd1714c89157ce6687

Transaction

Hash: 2425c1f17ff752fb6dd6a2de28493310165d1be06718a1cd1714c89157ce6687
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 2425c1f17ff752fb6dd6a2de28493310165d1be06718a1cd1714c89157ce6687:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
2425c1f17ff752fb6dd6a2de28493310165d1be06718a1cd1714c89157ce6687
Status:
ERROR
Block height:
40155299
Block id:
e82729f81565626ae45f486ccd2700956f99dde5fa8499883584488d8c52e183
Timestamp:
Wednesday 2 November 2022 at 08:23:49 UTC
()
Proposer:
Authorizers:
Gas used:
45