Flow price: --
b1c7f7a82a5904404cb7116724d6a60b9f4a00c99aff2a15db9c9ee904ac718e

Transaction

Hash: b1c7f7a82a5904404cb7116724d6a60b9f4a00c99aff2a15db9c9ee904ac718e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b1c7f7a82a5904404cb7116724d6a60b9f4a00c99aff2a15db9c9ee904ac718e: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:
b1c7f7a82a5904404cb7116724d6a60b9f4a00c99aff2a15db9c9ee904ac718e
Status:
ERROR
Block height:
40041831
Block id:
de0cfee74727339652c24ad3070d500b86bb7095fe82bdbec99f0b494c932b4a
Timestamp:
Monday 31 October 2022 at 10:28:47 UTC
()
Proposer:
Authorizers:
Gas used:
50