Flow price: --
57a21cc6234306e490b63a636311a7205e6f1bbda94fbd2d4865cfee09a29434

Transaction

Hash: 57a21cc6234306e490b63a636311a7205e6f1bbda94fbd2d4865cfee09a29434
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 57a21cc6234306e490b63a636311a7205e6f1bbda94fbd2d4865cfee09a29434:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
57a21cc6234306e490b63a636311a7205e6f1bbda94fbd2d4865cfee09a29434
Status:
ERROR
Block height:
40052308
Block id:
aa5c66e3293033049a13c412b29c02a99939d5ddf6113256d7fbae184f7c14a0
Timestamp:
Monday 31 October 2022 at 14:42:16 UTC
()
Proposer:
Authorizers:
Gas used:
50