Flow price: --
b0252e983e6faecd63b07604f52c5f0686c0fbf0cd2b6f40a3c16ab7d6239231

Transaction

Hash: b0252e983e6faecd63b07604f52c5f0686c0fbf0cd2b6f40a3c16ab7d6239231
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b0252e983e6faecd63b07604f52c5f0686c0fbf0cd2b6f40a3c16ab7d6239231:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b0252e983e6faecd63b07604f52c5f0686c0fbf0cd2b6f40a3c16ab7d6239231
Status:
ERROR
Block height:
39842768
Block id:
cd4c5f2aee544e542a669ccda674f0d184873447caaf2468a9d8f75d99fafb2c
Timestamp:
Friday 28 October 2022 at 02:50:57 UTC
()
Proposer:
Authorizers:
Gas used:
47