Flow price: --
7e347b66094759a9d9013e81e636ac476364aa828d7a0a3dec0692c4d7e3d151

Transaction

Hash: 7e347b66094759a9d9013e81e636ac476364aa828d7a0a3dec0692c4d7e3d151
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7e347b66094759a9d9013e81e636ac476364aa828d7a0a3dec0692c4d7e3d151:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
7e347b66094759a9d9013e81e636ac476364aa828d7a0a3dec0692c4d7e3d151
Status:
ERROR
Block height:
39909997
Block id:
7bab904fd63ec3d272ac0ba7f2ec47e6054ea40062462ad5384bea5ba9d9b667
Timestamp:
Saturday 29 October 2022 at 05:45:27 UTC
()
Proposer:
Authorizers:
Gas used:
47