Flow price: --
b6890fb804ab31f1c29089a759bf03b59b71b46da1e11812223a25202141f9c2

Transaction

Hash: b6890fb804ab31f1c29089a759bf03b59b71b46da1e11812223a25202141f9c2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b6890fb804ab31f1c29089a759bf03b59b71b46da1e11812223a25202141f9c2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b6890fb804ab31f1c29089a759bf03b59b71b46da1e11812223a25202141f9c2
Status:
ERROR
Block height:
39952318
Block id:
ff9b74a425f309a5952ab7d388dd3ad80b9d79653d26263bb2020fb061ae93e0
Timestamp:
Saturday 29 October 2022 at 22:43:54 UTC
()
Proposer:
Authorizers:
Gas used:
67