Flow price: --
f4bb9635fbe0f1b871db0933f116d96e4a00d1801549f03d6301b940e1f5bd30

Transaction

Hash: f4bb9635fbe0f1b871db0933f116d96e4a00d1801549f03d6301b940e1f5bd30
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f4bb9635fbe0f1b871db0933f116d96e4a00d1801549f03d6301b940e1f5bd30:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f4bb9635fbe0f1b871db0933f116d96e4a00d1801549f03d6301b940e1f5bd30
Status:
ERROR
Block height:
39985951
Block id:
9515c5bbb6ae24e667de9d0c629504d8da32b11d742d923c0f569a59218461a1
Timestamp:
Sunday 30 October 2022 at 12:08:45 UTC
()
Proposer:
Authorizers:
Gas used:
48