Flow price: --
b60fb22ce2a2fc0b171ba086357d7de3961bf36a169e174bfe1a4a9b29db2090

Transaction

Hash: b60fb22ce2a2fc0b171ba086357d7de3961bf36a169e174bfe1a4a9b29db2090
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b60fb22ce2a2fc0b171ba086357d7de3961bf36a169e174bfe1a4a9b29db2090:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b60fb22ce2a2fc0b171ba086357d7de3961bf36a169e174bfe1a4a9b29db2090
Status:
ERROR
Block height:
39816798
Block id:
1c209fccfdfa8bbaf903c02bdb4e085b68d27ca448515e90d867a4f18c29fed1
Timestamp:
Thursday 27 October 2022 at 16:22:07 UTC
()
Proposer:
Authorizers:
Gas used:
50