Flow price: --
c9b9ba2116c0790d241bbc7ff6b116d7dc7aa75ad0feea1c080efa047e96bb12

Transaction

Hash: c9b9ba2116c0790d241bbc7ff6b116d7dc7aa75ad0feea1c080efa047e96bb12
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c9b9ba2116c0790d241bbc7ff6b116d7dc7aa75ad0feea1c080efa047e96bb12:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c9b9ba2116c0790d241bbc7ff6b116d7dc7aa75ad0feea1c080efa047e96bb12
Status:
ERROR
Block height:
39883577
Block id:
e102aa00aabd9cd3699a0e9d720469483cf27c936d6c98f7074f935c071fb845
Timestamp:
Friday 28 October 2022 at 19:15:45 UTC
()
Proposer:
Authorizers:
Gas used:
49