Flow price: --
801101800130ed57172c0520e4889e237d8ab821b89e0e7953f2fabb61699210

Transaction

Hash: 801101800130ed57172c0520e4889e237d8ab821b89e0e7953f2fabb61699210
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 801101800130ed57172c0520e4889e237d8ab821b89e0e7953f2fabb61699210:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
801101800130ed57172c0520e4889e237d8ab821b89e0e7953f2fabb61699210
Status:
ERROR
Block height:
39742340
Block id:
2d81543a64ddaae8976ac381b7ac709652b30a52ad24d2cc4c3be353bdca9d78
Timestamp:
Wednesday 26 October 2022 at 10:21:47 UTC
()
Proposer:
Authorizers:
Gas used:
46