Flow price: --
4652e0c68447b89df5b01e4e67e1d7b6f2403610a655b212f86cdd3e57b35bde

Transaction

Hash: 4652e0c68447b89df5b01e4e67e1d7b6f2403610a655b212f86cdd3e57b35bde
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4652e0c68447b89df5b01e4e67e1d7b6f2403610a655b212f86cdd3e57b35bde: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:
4652e0c68447b89df5b01e4e67e1d7b6f2403610a655b212f86cdd3e57b35bde
Status:
ERROR
Block height:
40107889
Block id:
d839f69ed855c0e48a6fb2ff7af8ce49c012a2007663128d5d34abe28b8911bf
Timestamp:
Tuesday 1 November 2022 at 13:06:36 UTC
()
Proposer:
Authorizers:
Gas used:
48