Flow price: --
f08c1853ad76d7bf7a027bb6b6dc8dcd955773f84906e4f14126b342c86ae585

Transaction

Hash: f08c1853ad76d7bf7a027bb6b6dc8dcd955773f84906e4f14126b342c86ae585
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f08c1853ad76d7bf7a027bb6b6dc8dcd955773f84906e4f14126b342c86ae585:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f08c1853ad76d7bf7a027bb6b6dc8dcd955773f84906e4f14126b342c86ae585
Status:
ERROR
Block height:
40122344
Block id:
549c0d50373baeb8fe0a8b1e9d0e19a706f610cb25e20db5bfc0a3b6d51e2b41
Timestamp:
Tuesday 1 November 2022 at 18:57:57 UTC
()
Proposer:
Authorizers:
Gas used:
50