Flow price: --
5cfaaa8690b9c2150c02c9d806a2253430c2a58f6e3e95d317bda812a12058b9

Transaction

Hash: 5cfaaa8690b9c2150c02c9d806a2253430c2a58f6e3e95d317bda812a12058b9
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 5cfaaa8690b9c2150c02c9d806a2253430c2a58f6e3e95d317bda812a12058b9:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
5cfaaa8690b9c2150c02c9d806a2253430c2a58f6e3e95d317bda812a12058b9
Status:
ERROR
Block height:
39811728
Block id:
37f669f2f420f7f19d1f8743470750c9d65b1fd5c40985dbf7014687dfe7fe96
Timestamp:
Thursday 27 October 2022 at 14:19:40 UTC
()
Proposer:
Authorizers:
Gas used:
47