Flow price: --
8b70b1ee12684d201dafadf95f1f5db265b90b4c387dbd4a0c96be3d42fc57e2

Transaction

Hash: 8b70b1ee12684d201dafadf95f1f5db265b90b4c387dbd4a0c96be3d42fc57e2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 8b70b1ee12684d201dafadf95f1f5db265b90b4c387dbd4a0c96be3d42fc57e2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
8b70b1ee12684d201dafadf95f1f5db265b90b4c387dbd4a0c96be3d42fc57e2
Status:
ERROR
Block height:
40056612
Block id:
c47b74888a36c14fe64dcd92d56052e68700c290a529e735f25a80589c148715
Timestamp:
Monday 31 October 2022 at 16:27:08 UTC
()
Proposer:
Authorizers:
Gas used:
50