Flow price: --
1dc5a3293804f35554fe8c16a2487651f1121ddad09357bf6c52a58da08153b3

Transaction

Hash: 1dc5a3293804f35554fe8c16a2487651f1121ddad09357bf6c52a58da08153b3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1dc5a3293804f35554fe8c16a2487651f1121ddad09357bf6c52a58da08153b3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
1dc5a3293804f35554fe8c16a2487651f1121ddad09357bf6c52a58da08153b3
Status:
ERROR
Block height:
39852113
Block id:
61cdf3d2ad7b0c5a79e0e99ceebc39e5ae65a181852c8a2cb0d5523544d6060b
Timestamp:
Friday 28 October 2022 at 06:37:15 UTC
()
Proposer:
Authorizers:
Gas used:
47