Flow price: --
b17f05f3263af8cf893cafd308b3297510758227d4f8a0f8abe480d75f98e5bb

Transaction

Hash: b17f05f3263af8cf893cafd308b3297510758227d4f8a0f8abe480d75f98e5bb
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b17f05f3263af8cf893cafd308b3297510758227d4f8a0f8abe480d75f98e5bb: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:
b17f05f3263af8cf893cafd308b3297510758227d4f8a0f8abe480d75f98e5bb
Status:
ERROR
Block height:
39842134
Block id:
1bf27d90272588c3b9ea3a677d0f34708f3a6b93a0b5525f265bfae70f4159e1
Timestamp:
Friday 28 October 2022 at 02:35:58 UTC
()
Proposer:
Authorizers:
Gas used:
49