Flow price: --
4d4375fb80c1659f001ffffdce65b8899dc5130199e83add21e5045bec6c4b2b

Transaction

Hash: 4d4375fb80c1659f001ffffdce65b8899dc5130199e83add21e5045bec6c4b2b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4d4375fb80c1659f001ffffdce65b8899dc5130199e83add21e5045bec6c4b2b: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:
4d4375fb80c1659f001ffffdce65b8899dc5130199e83add21e5045bec6c4b2b
Status:
ERROR
Block height:
39927845
Block id:
9067b82fc7be0e347230b7099db83e2509d4350f3e5c720afab4ef87bbfbc390
Timestamp:
Saturday 29 October 2022 at 12:57:00 UTC
()
Proposer:
Authorizers:
Gas used:
48