Flow price: --
3463b0ed09b312d9e4c3135b3d7572700a469b55eb1d25f795f71d26c6b8fc57

Transaction

Hash: 3463b0ed09b312d9e4c3135b3d7572700a469b55eb1d25f795f71d26c6b8fc57
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 3463b0ed09b312d9e4c3135b3d7572700a469b55eb1d25f795f71d26c6b8fc57:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
3463b0ed09b312d9e4c3135b3d7572700a469b55eb1d25f795f71d26c6b8fc57
Status:
ERROR
Block height:
39990319
Block id:
cad11fe1aba7bf1a8d3556017d580938b9673d80e908b11ac8d8872273e664e0
Timestamp:
Sunday 30 October 2022 at 13:53:21 UTC
()
Proposer:
Authorizers:
Gas used:
50