Flow price: --
6415c376e6b488e95c1141c9c14f4a3baa748c8c9aaa3ecb1b7ec45aeffa9cdb

Transaction

Hash: 6415c376e6b488e95c1141c9c14f4a3baa748c8c9aaa3ecb1b7ec45aeffa9cdb
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 6415c376e6b488e95c1141c9c14f4a3baa748c8c9aaa3ecb1b7ec45aeffa9cdb: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:
6415c376e6b488e95c1141c9c14f4a3baa748c8c9aaa3ecb1b7ec45aeffa9cdb
Status:
ERROR
Block height:
39974730
Block id:
3d9a65859567c86c3e15a73fccc74938ea9fd12f901ba1663472795106c31138
Timestamp:
Sunday 30 October 2022 at 07:39:37 UTC
()
Proposer:
Authorizers:
Gas used:
46