Flow price: --
59a7a8781d8d28bd51225dd3aa0cae16bb2c94f0a9ea8e29f75ffe7df44302c5

Transaction

Hash: 59a7a8781d8d28bd51225dd3aa0cae16bb2c94f0a9ea8e29f75ffe7df44302c5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 59a7a8781d8d28bd51225dd3aa0cae16bb2c94f0a9ea8e29f75ffe7df44302c5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
59a7a8781d8d28bd51225dd3aa0cae16bb2c94f0a9ea8e29f75ffe7df44302c5
Status:
ERROR
Block height:
40100704
Block id:
b1142762493ac1d97659072df9ccb9c0128da5ff50254f0de25170423260fa11
Timestamp:
Tuesday 1 November 2022 at 10:12:09 UTC
()
Proposer:
Authorizers:
Gas used:
47