Flow price: --
5195a91c5f50a1aad25bb1863ef6166a080d0d880497cd5374737cec385ab467

Transaction

Hash: 5195a91c5f50a1aad25bb1863ef6166a080d0d880497cd5374737cec385ab467
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 5195a91c5f50a1aad25bb1863ef6166a080d0d880497cd5374737cec385ab467:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
5195a91c5f50a1aad25bb1863ef6166a080d0d880497cd5374737cec385ab467
Status:
ERROR
Block height:
40107284
Block id:
5c1751ab34d7087f9db63f5914d961ede027a3bfa0bc67c191c1a83ea4e8b17c
Timestamp:
Tuesday 1 November 2022 at 12:52:03 UTC
()
Proposer:
Authorizers:
Gas used:
46